[jboss-svn-commits] JBL Code SVN: r17582 - in labs/jbossrules/trunk/drools-solver/drools-solver-examples: data/itc2007/examination/solved and 7 other directories.

[jboss-svn-commits at lists.jboss.org]

Author: ge0ffrey
Date: 2008-01-06 15:43:57 -0500 (Sun, 06 Jan 2008)
New Revision: 17582

Added:
   labs/jbossrules/trunk/drools-solver/drools-solver-examples/src/main/java/org/drools/solver/examples/common/app/LoggingMain.java
Modified:
   labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/output/exam_comp_set1_ge0ffrey.sln
   labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/output/exam_comp_set2_ge0ffrey.sln
   labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/output/exam_comp_set3_ge0ffrey.sln
   labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/output/exam_comp_set4_ge0ffrey.sln
   labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/solved/exam_comp_set1_ge0ffrey.xml
   labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/solved/exam_comp_set2_ge0ffrey.xml
   labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/solved/exam_comp_set3_ge0ffrey.xml
   labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/solved/exam_comp_set4_ge0ffrey.xml
   labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/unsolved/exam_comp_set1.xml
   labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/unsolved/exam_comp_set2.xml
   labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/unsolved/exam_comp_set3.xml
   labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/unsolved/exam_comp_set4.xml
   labs/jbossrules/trunk/drools-solver/drools-solver-examples/src/main/java/org/drools/solver/examples/common/app/CommonApp.java
   labs/jbossrules/trunk/drools-solver/drools-solver-examples/src/main/java/org/drools/solver/examples/common/app/CommonBenchmarkApp.java
   labs/jbossrules/trunk/drools-solver/drools-solver-examples/src/main/java/org/drools/solver/examples/itc2007/examination/domain/Examination.java
   labs/jbossrules/trunk/drools-solver/drools-solver-examples/src/main/java/org/drools/solver/examples/itc2007/examination/persistence/ExaminationInputConvertor.java
   labs/jbossrules/trunk/drools-solver/drools-solver-examples/src/main/java/org/drools/solver/examples/itc2007/examination/persistence/ExaminationOutputConvertor.java
   labs/jbossrules/trunk/drools-solver/drools-solver-examples/src/main/java/org/drools/solver/examples/nqueens/persistence/NQueensGenerator.java
   labs/jbossrules/trunk/drools-solver/drools-solver-examples/src/main/java/org/drools/solver/examples/travelingtournament/persistence/TravelingTournamentInputConvertor.java
   labs/jbossrules/trunk/drools-solver/drools-solver-examples/src/main/resources/org/drools/solver/examples/itc2007/examination/solver/examinationScoreRules.drl
Log:
LoggingMain, refactor out method of Examination, better starting solution generation for Examination

/services/svn/bin/commit-email.pl: `/opt/subversion/bin/svnlook diff /services/svn/repos/labs -r 17582' failed with this output:
Modified: labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/output/exam_comp_set1_ge0ffrey.sln
===================================================================
--- labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/output/exam_comp_set1_ge0ffrey.sln	2008-01-06 19:35:13 UTC (rev 17581)
+++ labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/output/exam_comp_set1_ge0ffrey.sln	2008-01-06 20:43:57 UTC (rev 17582)
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Modified: labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/output/exam_comp_set2_ge0ffrey.sln
===================================================================
--- labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/output/exam_comp_set2_ge0ffrey.sln	2008-01-06 19:35:13 UTC (rev 17581)
+++ labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/output/exam_comp_set2_ge0ffrey.sln	2008-01-06 20:43:57 UTC (rev 17582)
@@ -1,870 +1,870 @@
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Modified: labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/output/exam_comp_set3_ge0ffrey.sln
===================================================================
--- labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/output/exam_comp_set3_ge0ffrey.sln	2008-01-06 19:35:13 UTC (rev 17581)
+++ labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/output/exam_comp_set3_ge0ffrey.sln	2008-01-06 20:43:57 UTC (rev 17582)
@@ -1,934 +1,934 @@
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Modified: labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/output/exam_comp_set4_ge0ffrey.sln
===================================================================
--- labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/output/exam_comp_set4_ge0ffrey.sln	2008-01-06 19:35:13 UTC (rev 17581)
+++ labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/output/exam_comp_set4_ge0ffrey.sln	2008-01-06 20:43:57 UTC (rev 17582)
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Modified: labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/solved/exam_comp_set1_ge0ffrey.xml
===================================================================
--- labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/solved/exam_comp_set1_ge0ffrey.xml	2008-01-06 19:35:13 UTC (rev 17581)
+++ labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/solved/exam_comp_set1_ge0ffrey.xml	2008-01-06 20:43:57 UTC (rev 17582)
@@ -1,10 +1,12 @@
 <org.drools.solver.examples.itc2007.examination.domain.Examination id="1">
+  <id>0</id>
   <institutionalWeighting id="2">
     <twoInARowPenality>7</twoInARowPenality>
     <twoInADayPenality>5</twoInADayPenality>
-    <periodSpreadPenality>5</periodSpreadPenality>
+    <periodSpreadLength>5</periodSpreadLength>
+    <periodSpreadPenality>1</periodSpreadPenality>
     <mixedDurationPenality>10</mixedDurationPenality>
-    <frontLoadLargestExamSize>100</frontLoadLargestExamSize>
+    <frontLoadLargeTopicSize>100</frontLoadLargeTopicSize>
     <frontLoadLastPeriodSize>30</frontLoadLastPeriodSize>
     <frontLoadPenality>5</frontLoadPenality>
   </institutionalWeighting>
@@ -23917,6 +23919,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7184"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7186"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7890">
       <id>1</id>
@@ -24008,6 +24011,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7781"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7775"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7892">
       <id>2</id>
@@ -24153,6 +24157,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4684"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5224"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7894">
       <id>3</id>
@@ -24335,6 +24340,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7747"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7688"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7896">
       <id>4</id>
@@ -24523,6 +24529,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5330"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7747"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7898">
       <id>5</id>
@@ -24757,6 +24764,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5330"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5307"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7900">
       <id>6</id>
@@ -24820,6 +24828,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7682"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7689"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7902">
       <id>7</id>
@@ -24951,6 +24960,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5336"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5307"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7904">
       <id>8</id>
@@ -25088,6 +25098,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="6003"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="6002"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7906">
       <id>9</id>
@@ -25178,6 +25189,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4616"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4731"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7908">
       <id>10</id>
@@ -25294,6 +25306,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4161"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4616"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7910">
       <id>11</id>
@@ -25382,6 +25395,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7684"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7689"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7912">
       <id>12</id>
@@ -25449,6 +25463,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4616"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4731"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7914">
       <id>13</id>
@@ -25529,6 +25544,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4616"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4731"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7916">
       <id>14</id>
@@ -25602,6 +25618,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7742"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7682"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7918">
       <id>15</id>
@@ -25704,6 +25721,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4731"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7691"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7920">
       <id>16</id>
@@ -25780,6 +25798,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3075"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4731"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7922">
       <id>17</id>
@@ -25875,6 +25894,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7749"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7689"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7924">
       <id>18</id>
@@ -25918,6 +25938,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2263"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2306"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7926">
       <id>19</id>
@@ -26052,6 +26073,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7873"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7778"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7928">
       <id>20</id>
@@ -26188,6 +26210,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7873"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7778"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7930">
       <id>21</id>
@@ -26221,6 +26244,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7808"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7755"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7932">
       <id>22</id>
@@ -26251,6 +26275,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7714"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7757"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7934">
       <id>23</id>
@@ -26285,6 +26310,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7727"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7746"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7936">
       <id>24</id>
@@ -26326,6 +26352,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7611"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7855"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7938">
       <id>25</id>
@@ -26357,6 +26384,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7201"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7823"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7940">
       <id>26</id>
@@ -26388,6 +26416,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7201"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7823"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7942">
       <id>27</id>
@@ -26422,6 +26451,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5146"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5133"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7944">
       <id>28</id>
@@ -26436,6 +26466,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5299"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7741"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7946">
       <id>29</id>
@@ -26444,6 +26475,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2364"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4900"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7948">
       <id>30</id>
@@ -26464,6 +26496,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5067"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4727"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7950">
       <id>31</id>
@@ -26721,6 +26754,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7337"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7351"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7952">
       <id>32</id>
@@ -26755,6 +26789,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7863"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7769"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7954">
       <id>33</id>
@@ -26789,6 +26824,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7863"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7769"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7956">
       <id>34</id>
@@ -26801,6 +26837,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5597"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5596"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7958">
       <id>35</id>
@@ -26895,6 +26932,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4985"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5092"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7960">
       <id>36</id>
@@ -26999,6 +27037,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4985"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5092"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7962">
       <id>37</id>
@@ -27006,6 +27045,7 @@
       <studentList id="7963">
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5128"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7964">
       <id>38</id>
@@ -27027,6 +27067,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4285"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5092"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7966">
       <id>39</id>
@@ -27048,6 +27089,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4597"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4285"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7968">
       <id>40</id>
@@ -27102,6 +27144,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4985"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5124"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7970">
       <id>41</id>
@@ -27181,6 +27224,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7768"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7695"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7972">
       <id>42</id>
@@ -27221,6 +27265,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7708"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7751"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7974">
       <id>43</id>
@@ -27248,6 +27293,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4736"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4739"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7976">
       <id>44</id>
@@ -27275,6 +27321,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4736"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4739"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7978">
       <id>45</id>
@@ -27302,6 +27349,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4736"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4739"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7980">
       <id>46</id>
@@ -27383,6 +27431,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5365"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5291"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="7982">
       <id>47</id>
@@ -27444,6 +27493,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2520"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2517"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
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@@ -55246,6 +55772,7 @@
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9044">
       <id>578</id>
@@ -58814,6 +59394,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5164"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9046">
       <id>579</id>
@@ -58829,6 +59410,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5287"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9048">
       <id>580</id>
@@ -58889,6 +59471,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7821"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9050">
       <id>581</id>
@@ -58906,6 +59489,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="6424"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9052">
       <id>582</id>
@@ -58918,6 +59502,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1448"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9054">
       <id>583</id>
@@ -58959,6 +59544,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5147"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9056">
       <id>584</id>
@@ -59001,6 +59587,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4615"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9058">
       <id>585</id>
@@ -59022,6 +59609,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7821"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9060">
       <id>586</id>
@@ -59081,6 +59669,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7856"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9062">
       <id>587</id>
@@ -59122,6 +59711,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7766"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9064">
       <id>588</id>
@@ -59153,6 +59743,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5299"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9066">
       <id>589</id>
@@ -59172,6 +59763,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4926"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5070"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9068">
       <id>590</id>
@@ -59189,6 +59781,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4926"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5070"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9070">
       <id>591</id>
@@ -59226,6 +59819,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7815"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9072">
       <id>592</id>
@@ -59275,6 +59869,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7712"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9074">
       <id>593</id>
@@ -59294,6 +59889,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5068"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9076">
       <id>594</id>
@@ -59307,6 +59903,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="248"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9078">
       <id>595</id>
@@ -59369,6 +59966,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7405"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9080">
       <id>596</id>
@@ -59409,6 +60007,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5084"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9082">
       <id>597</id>
@@ -59441,6 +60040,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5329"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9084">
       <id>598</id>
@@ -59469,6 +60069,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5329"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9086">
       <id>599</id>
@@ -59489,6 +60090,7 @@
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9088">
       <id>600</id>
@@ -59510,6 +60112,7 @@
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9090">
       <id>601</id>
@@ -59536,6 +60139,7 @@
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9092">
       <id>602</id>
@@ -59613,6 +60217,7 @@
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9094">
       <id>603</id>
@@ -59627,6 +60232,7 @@
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9096">
       <id>604</id>
@@ -59655,6 +60261,7 @@
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9098">
       <id>605</id>
@@ -59667,6 +60274,7 @@
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="9100">
       <id>606</id>
@@ -59681,440 +60289,495 @@
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     <org.drools.solver.examples.itc2007.examination.domain.Period id="9103">
       <id>0</id>
       <startDateTimeString>15:04:2005 09:30:00</startDateTimeString>
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-      <startTimeInMinutes>570</startTimeInMinutes>
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       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
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     <org.drools.solver.examples.itc2007.examination.domain.Period id="9104">
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       <startDateTimeString>15:04:2005 14:00:00</startDateTimeString>
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-      <startTimeInMinutes>840</startTimeInMinutes>
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       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
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       <startDateTimeString>18:04:2005 09:30:00</startDateTimeString>
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       <durationInMinutes>210</durationInMinutes>
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       <penalty>70</penalty>
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       <penalty>50</penalty>
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     <org.drools.solver.examples.itc2007.examination.domain.Period id="9122">
       <id>19</id>
       <startDateTimeString>28:04:2005 14:00:00</startDateTimeString>
-      <dateInDays>1944</dateInDays>
-      <startTimeInMinutes>840</startTimeInMinutes>
+      <periodIndex>19</periodIndex>
+      <dayIndex>13</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>50</penalty>
+      <frontLoadLast>false</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9123">
       <id>20</id>
       <startDateTimeString>29:04:2005 09:30:00</startDateTimeString>
-      <dateInDays>1944</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>20</periodIndex>
+      <dayIndex>14</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9124">
       <id>21</id>
       <startDateTimeString>29:04:2005 14:00:00</startDateTimeString>
-      <dateInDays>1945</dateInDays>
-      <startTimeInMinutes>840</startTimeInMinutes>
+      <periodIndex>21</periodIndex>
+      <dayIndex>14</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9125">
       <id>22</id>
       <startDateTimeString>02:05:2005 14:00:00</startDateTimeString>
-      <dateInDays>1948</dateInDays>
-      <startTimeInMinutes>840</startTimeInMinutes>
+      <periodIndex>22</periodIndex>
+      <dayIndex>17</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9126">
       <id>23</id>
       <startDateTimeString>03:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1948</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>23</periodIndex>
+      <dayIndex>18</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9127">
       <id>24</id>
       <startDateTimeString>03:05:2005 14:00:00</startDateTimeString>
-      <dateInDays>1949</dateInDays>
-      <startTimeInMinutes>840</startTimeInMinutes>
+      <periodIndex>24</periodIndex>
+      <dayIndex>18</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9128">
       <id>25</id>
       <startDateTimeString>04:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1949</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>25</periodIndex>
+      <dayIndex>19</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9129">
       <id>26</id>
       <startDateTimeString>04:05:2005 14:00:00</startDateTimeString>
-      <dateInDays>1950</dateInDays>
-      <startTimeInMinutes>840</startTimeInMinutes>
+      <periodIndex>26</periodIndex>
+      <dayIndex>19</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9130">
       <id>27</id>
       <startDateTimeString>05:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1950</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>27</periodIndex>
+      <dayIndex>20</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9131">
       <id>28</id>
       <startDateTimeString>05:05:2005 14:00:00</startDateTimeString>
-      <dateInDays>1951</dateInDays>
-      <startTimeInMinutes>840</startTimeInMinutes>
+      <periodIndex>28</periodIndex>
+      <dayIndex>20</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9132">
       <id>29</id>
       <startDateTimeString>06:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1951</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>29</periodIndex>
+      <dayIndex>21</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9133">
       <id>30</id>
       <startDateTimeString>06:05:2005 14:00:00</startDateTimeString>
-      <dateInDays>1952</dateInDays>
-      <startTimeInMinutes>840</startTimeInMinutes>
+      <periodIndex>30</periodIndex>
+      <dayIndex>21</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9134">
       <id>31</id>
       <startDateTimeString>09:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1954</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>31</periodIndex>
+      <dayIndex>24</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9135">
       <id>32</id>
       <startDateTimeString>09:05:2005 14:00:00</startDateTimeString>
-      <dateInDays>1955</dateInDays>
-      <startTimeInMinutes>840</startTimeInMinutes>
+      <periodIndex>32</periodIndex>
+      <dayIndex>24</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9136">
       <id>33</id>
       <startDateTimeString>10:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1955</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>33</periodIndex>
+      <dayIndex>25</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9137">
       <id>34</id>
       <startDateTimeString>10:05:2005 14:00:00</startDateTimeString>
-      <dateInDays>1956</dateInDays>
-      <startTimeInMinutes>840</startTimeInMinutes>
+      <periodIndex>34</periodIndex>
+      <dayIndex>25</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9138">
       <id>35</id>
       <startDateTimeString>11:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1956</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>35</periodIndex>
+      <dayIndex>26</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9139">
       <id>36</id>
       <startDateTimeString>11:05:2005 14:00:00</startDateTimeString>
-      <dateInDays>1957</dateInDays>
-      <startTimeInMinutes>840</startTimeInMinutes>
+      <periodIndex>36</periodIndex>
+      <dayIndex>26</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9140">
       <id>37</id>
       <startDateTimeString>12:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1957</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>37</periodIndex>
+      <dayIndex>27</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9141">
       <id>38</id>
       <startDateTimeString>12:05:2005 14:00:00</startDateTimeString>
-      <dateInDays>1958</dateInDays>
-      <startTimeInMinutes>840</startTimeInMinutes>
+      <periodIndex>38</periodIndex>
+      <dayIndex>27</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9142">
       <id>39</id>
       <startDateTimeString>13:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1958</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>39</periodIndex>
+      <dayIndex>28</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9143">
       <id>40</id>
       <startDateTimeString>13:05:2005 14:00:00</startDateTimeString>
-      <dateInDays>1959</dateInDays>
-      <startTimeInMinutes>840</startTimeInMinutes>
+      <periodIndex>40</periodIndex>
+      <dayIndex>28</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9144">
       <id>41</id>
       <startDateTimeString>14:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1959</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>41</periodIndex>
+      <dayIndex>29</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9145">
       <id>42</id>
       <startDateTimeString>16:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1961</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>42</periodIndex>
+      <dayIndex>31</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9146">
       <id>43</id>
       <startDateTimeString>16:05:2005 14:00:00</startDateTimeString>
-      <dateInDays>1962</dateInDays>
-      <startTimeInMinutes>840</startTimeInMinutes>
+      <periodIndex>43</periodIndex>
+      <dayIndex>31</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9147">
       <id>44</id>
       <startDateTimeString>17:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1962</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>44</periodIndex>
+      <dayIndex>32</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9148">
       <id>45</id>
       <startDateTimeString>17:05:2005 14:00:00</startDateTimeString>
-      <dateInDays>1963</dateInDays>
-      <startTimeInMinutes>840</startTimeInMinutes>
+      <periodIndex>45</periodIndex>
+      <dayIndex>32</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9149">
       <id>46</id>
       <startDateTimeString>18:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1963</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>46</periodIndex>
+      <dayIndex>33</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9150">
       <id>47</id>
       <startDateTimeString>18:05:2005 14:00:00</startDateTimeString>
-      <dateInDays>1964</dateInDays>
-      <startTimeInMinutes>840</startTimeInMinutes>
+      <periodIndex>47</periodIndex>
+      <dayIndex>33</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>50</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9151">
       <id>48</id>
       <startDateTimeString>19:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1964</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>48</periodIndex>
+      <dayIndex>34</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9152">
       <id>49</id>
       <startDateTimeString>19:05:2005 14:00:00</startDateTimeString>
-      <dateInDays>1965</dateInDays>
-      <startTimeInMinutes>840</startTimeInMinutes>
+      <periodIndex>49</periodIndex>
+      <dayIndex>34</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9153">
       <id>50</id>
       <startDateTimeString>20:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1965</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>50</periodIndex>
+      <dayIndex>35</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9154">
       <id>51</id>
       <startDateTimeString>20:05:2005 14:00:00</startDateTimeString>
-      <dateInDays>1966</dateInDays>
-      <startTimeInMinutes>840</startTimeInMinutes>
+      <periodIndex>51</periodIndex>
+      <dayIndex>35</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9155">
       <id>52</id>
       <startDateTimeString>21:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1966</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>52</periodIndex>
+      <dayIndex>36</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="9156">
       <id>53</id>
       <startDateTimeString>23:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1968</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>53</periodIndex>
+      <dayIndex>38</dayIndex>
       <durationInMinutes>210</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
   </periodList>
   <roomList id="9157">
@@ -60219,3646 +60882,3646 @@
   <roomHardConstraintList id="9181"/>
   <examList id="9182">
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9183">
-      <id>0</id>
-      <topic reference="7888"/>
-      <period reference="9148"/>
-      <room reference="9164"/>
+      <id>37</id>
+      <topic reference="7962"/>
+      <period reference="9103"/>
+      <room reference="9158"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9184">
-      <id>1</id>
-      <topic reference="7890"/>
-      <period reference="9132"/>
+      <id>81</id>
+      <topic reference="8050"/>
+      <period reference="9103"/>
       <room reference="9159"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9185">
-      <id>2</id>
-      <topic reference="7892"/>
-      <period reference="9105"/>
-      <room reference="9160"/>
+      <id>82</id>
+      <topic reference="8052"/>
+      <period reference="9108"/>
+      <room reference="9158"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9186">
-      <id>3</id>
-      <topic reference="7894"/>
-      <period reference="9128"/>
-      <room reference="9159"/>
+      <id>83</id>
+      <topic reference="8054"/>
+      <period reference="9113"/>
+      <room reference="9158"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9187">
-      <id>4</id>
-      <topic reference="7896"/>
-      <period reference="9118"/>
+      <id>178</id>
+      <topic reference="8244"/>
+      <period reference="9103"/>
       <room reference="9158"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9188">
-      <id>5</id>
-      <topic reference="7898"/>
-      <period reference="9132"/>
-      <room reference="9159"/>
+      <id>29</id>
+      <topic reference="7946"/>
+      <period reference="9103"/>
+      <room reference="9158"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9189">
-      <id>6</id>
-      <topic reference="7900"/>
-      <period reference="9115"/>
-      <room reference="9158"/>
+      <id>78</id>
+      <topic reference="8044"/>
+      <period reference="9103"/>
+      <room reference="9162"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9190">
-      <id>7</id>
-      <topic reference="7902"/>
-      <period reference="9125"/>
+      <id>79</id>
+      <topic reference="8046"/>
+      <period reference="9103"/>
       <room reference="9162"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9191">
-      <id>8</id>
-      <topic reference="7904"/>
-      <period reference="9149"/>
-      <room reference="9158"/>
+      <id>291</id>
+      <topic reference="8470"/>
+      <period reference="9103"/>
+      <room reference="9159"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9192">
-      <id>9</id>
-      <topic reference="7906"/>
-      <period reference="9125"/>
-      <room reference="9164"/>
+      <id>341</id>
+      <topic reference="8570"/>
+      <period reference="9103"/>
+      <room reference="9159"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9193">
-      <id>10</id>
-      <topic reference="7908"/>
-      <period reference="9123"/>
-      <room reference="9160"/>
+      <id>421</id>
+      <topic reference="8730"/>
+      <period reference="9103"/>
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-      <room reference="9164"/>
+      <id>346</id>
+      <topic reference="8580"/>
+      <period reference="9143"/>
+      <room reference="9158"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9778">
-      <id>595</id>
-      <topic reference="9078"/>
-      <period reference="9104"/>
-      <room reference="9164"/>
+      <id>441</id>
+      <topic reference="8770"/>
+      <period reference="9156"/>
+      <room reference="9162"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9779">
-      <id>596</id>
-      <topic reference="9080"/>
-      <period reference="9150"/>
+      <id>5</id>
+      <topic reference="7898"/>
+      <period reference="9156"/>
       <room reference="9162"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9780">
-      <id>597</id>
-      <topic reference="9082"/>
-      <period reference="9114"/>
-      <room reference="9163"/>
+      <id>446</id>
+      <topic reference="8780"/>
+      <period reference="9108"/>
+      <room reference="9159"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9781">
-      <id>598</id>
-      <topic reference="9084"/>
-      <period reference="9146"/>
-      <room reference="9161"/>
+      <id>568</id>
+      <topic reference="9024"/>
+      <period reference="9108"/>
+      <room reference="9159"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9782">
-      <id>599</id>
-      <topic reference="9086"/>
-      <period reference="9103"/>
-      <room reference="9161"/>
+      <id>197</id>
+      <topic reference="8282"/>
+      <period reference="9108"/>
+      <room reference="9159"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9783">
-      <id>600</id>
-      <topic reference="9088"/>
-      <period reference="9118"/>
-      <room reference="9160"/>
+      <id>31</id>
+      <topic reference="7950"/>
+      <period reference="9113"/>
+      <room reference="9158"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9784">
-      <id>601</id>
-      <topic reference="9090"/>
-      <period reference="9152"/>
-      <room reference="9161"/>
+      <id>0</id>
+      <topic reference="7888"/>
+      <period reference="9148"/>
+      <room reference="9159"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9785">
-      <id>602</id>
-      <topic reference="9092"/>
-      <period reference="9145"/>
-      <room reference="9160"/>
+      <id>130</id>
+      <topic reference="8148"/>
+      <period reference="9113"/>
+      <room reference="9158"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9786">
-      <id>603</id>
-      <topic reference="9094"/>
-      <period reference="9145"/>
-      <room reference="9164"/>
+      <id>442</id>
+      <topic reference="8772"/>
+      <period reference="9155"/>
+      <room reference="9163"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9787">
-      <id>604</id>
-      <topic reference="9096"/>
-      <period reference="9108"/>
-      <room reference="9161"/>
+      <id>436</id>
+      <topic reference="8760"/>
+      <period reference="9125"/>
+      <room reference="9158"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9788">
-      <id>605</id>
-      <topic reference="9098"/>
-      <period reference="9156"/>
-      <room reference="9158"/>
+      <id>166</id>
+      <topic reference="8220"/>
+      <period reference="9145"/>
+      <room reference="9159"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9789">
-      <id>606</id>
-      <topic reference="9100"/>
-      <period reference="9139"/>
-      <room reference="9158"/>
+      <id>102</id>
+      <topic reference="8092"/>
+      <period reference="9150"/>
+      <room reference="9159"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
   </examList>
 </org.drools.solver.examples.itc2007.examination.domain.Examination>
\ No newline at end of file

Modified: labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/solved/exam_comp_set2_ge0ffrey.xml
===================================================================
--- labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/solved/exam_comp_set2_ge0ffrey.xml	2008-01-06 19:35:13 UTC (rev 17581)
+++ labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/solved/exam_comp_set2_ge0ffrey.xml	2008-01-06 20:43:57 UTC (rev 17582)
@@ -3,9 +3,10 @@
   <institutionalWeighting id="2">
     <twoInARowPenality>15</twoInARowPenality>
     <twoInADayPenality>5</twoInADayPenality>
+    <periodSpreadLength>1</periodSpreadLength>
     <periodSpreadPenality>1</periodSpreadPenality>
     <mixedDurationPenality>25</mixedDurationPenality>
-    <frontLoadLargestExamSize>250</frontLoadLargestExamSize>
+    <frontLoadLargeTopicSize>250</frontLoadLargeTopicSize>
     <frontLoadLastPeriodSize>30</frontLoadLastPeriodSize>
     <frontLoadPenality>5</frontLoadPenality>
   </institutionalWeighting>
@@ -37689,6 +37690,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12422"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12420"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12491">
       <id>1</id>
@@ -37919,6 +37921,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12472"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12400"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12493">
       <id>2</id>
@@ -38151,6 +38154,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12422"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12420"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12495">
       <id>3</id>
@@ -38181,6 +38185,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="11257"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12242"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12497">
       <id>4</id>
@@ -38254,6 +38259,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12144"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12242"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12499">
       <id>5</id>
@@ -38330,6 +38336,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="11036"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12386"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12501">
       <id>6</id>
@@ -38430,6 +38437,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12247"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12087"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12503">
       <id>7</id>
@@ -38501,6 +38509,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="11360"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12087"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12505">
       <id>8</id>
@@ -38560,6 +38569,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5765"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="6718"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12507">
       <id>9</id>
@@ -38600,6 +38610,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12064"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12061"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12509">
       <id>10</id>
@@ -38645,6 +38656,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12253"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12267"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12511">
       <id>11</id>
@@ -38689,6 +38701,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12253"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12267"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12513">
       <id>12</id>
@@ -38730,6 +38743,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12253"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12267"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12515">
       <id>13</id>
@@ -38740,6 +38754,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="11878"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="11903"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12517">
       <id>14</id>
@@ -38856,6 +38871,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12407"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12420"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12519">
       <id>15</id>
@@ -38944,6 +38960,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12359"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12407"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12521">
       <id>16</id>
@@ -39320,6 +39337,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12186"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12176"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12523">
       <id>17</id>
@@ -39394,6 +39412,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="8009"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12386"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12525">
       <id>18</id>
@@ -39470,6 +39489,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="8009"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12386"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12527">
       <id>19</id>
@@ -39528,6 +39548,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5765"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="6718"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12529">
       <id>20</id>
@@ -39544,6 +39565,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5765"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="6718"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12531">
       <id>21</id>
@@ -39604,6 +39626,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5765"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="6718"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12533">
       <id>22</id>
@@ -39663,6 +39686,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5765"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="6718"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12535">
       <id>23</id>
@@ -39740,6 +39764,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="11422"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12372"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12537">
       <id>24</id>
@@ -39780,6 +39805,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="11906"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="11915"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12539">
       <id>25</id>
@@ -39812,6 +39838,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="11274"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12144"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12541">
       <id>26</id>
@@ -39846,6 +39873,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="11964"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="11915"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12543">
       <id>27</id>
@@ -39899,6 +39927,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="10866"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12410"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12545">
       <id>28</id>
@@ -39956,6 +39985,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="10866"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12410"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12547">
       <id>29</id>
@@ -39991,6 +40021,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="8070"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7955"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12549">
       <id>30</id>
@@ -40012,6 +40043,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7242"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7188"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12551">
       <id>31</id>
@@ -40035,6 +40067,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7712"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="10773"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12553">
       <id>32</id>
@@ -40062,6 +40095,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="11033"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="11030"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12555">
       <id>33</id>
@@ -40080,6 +40114,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4370"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4950"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12557">
       <id>34</id>
@@ -40095,6 +40130,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4427"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7712"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12559">
       <id>35</id>
@@ -40104,6 +40140,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7712"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="9509"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12561">
       <id>36</id>
@@ -40137,6 +40174,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12352"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12295"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12563">
       <id>37</id>
@@ -40154,6 +40192,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7841"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7842"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="12565">
       <id>38</id>
@@ -40289,6 +40328,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12303"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12160"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
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@@ -48482,6 +48678,7 @@
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@@ -49933,6 +50184,7 @@
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14161">
       <id>836</id>
@@ -78716,6 +79553,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12409"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14163">
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@@ -78797,6 +79635,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="11386"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14165">
       <id>838</id>
@@ -78872,6 +79711,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="11386"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12409"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14167">
       <id>839</id>
@@ -78930,6 +79770,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12409"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14169">
       <id>840</id>
@@ -78939,6 +79780,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1459"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14171">
       <id>841</id>
@@ -78946,6 +79788,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1156"/>
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+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14173">
       <id>842</id>
@@ -79018,6 +79861,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="11559"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12434"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14175">
       <id>843</id>
@@ -79055,6 +79899,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12350"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12434"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14177">
       <id>844</id>
@@ -79096,6 +79941,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="6639"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12434"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14179">
       <id>845</id>
@@ -79162,6 +80008,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="6639"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="11559"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14181">
       <id>846</id>
@@ -79245,6 +80092,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12372"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14183">
       <id>847</id>
@@ -79252,6 +80100,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="455"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14185">
       <id>848</id>
@@ -79260,6 +80109,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5654"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="6485"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14187">
       <id>849</id>
@@ -79306,6 +80156,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12097"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12098"/>
       </studentList>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14189">
       <id>850</id>
@@ -79331,6 +80182,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7496"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12098"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14191">
       <id>851</id>
@@ -79346,6 +80198,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2798"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2878"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14193">
       <id>852</id>
@@ -79353,6 +80206,7 @@
       <studentList id="14194">
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="675"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14195">
       <id>853</id>
@@ -79401,6 +80255,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12097"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12077"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14197">
       <id>854</id>
@@ -79410,6 +80265,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="191"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="919"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14199">
       <id>855</id>
@@ -79437,6 +80293,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4534"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="6637"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14201">
       <id>856</id>
@@ -79444,6 +80301,7 @@
       <studentList id="14202">
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4027"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14203">
       <id>857</id>
@@ -79451,6 +80309,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4027"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14205">
       <id>858</id>
@@ -79584,6 +80443,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12076"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12075"/>
       </studentList>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14207">
       <id>859</id>
@@ -79650,6 +80510,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12075"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14209">
       <id>860</id>
@@ -79709,6 +80570,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="10278"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14211">
       <id>861</id>
@@ -79732,6 +80594,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12409"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14213">
       <id>862</id>
@@ -79764,6 +80627,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="11509"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14215">
       <id>863</id>
@@ -79771,6 +80635,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3907"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14217">
       <id>864</id>
@@ -79803,6 +80668,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="11509"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14219">
       <id>865</id>
@@ -79839,6 +80705,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3973"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3961"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14221">
       <id>866</id>
@@ -79886,6 +80753,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3973"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14223">
       <id>867</id>
@@ -79964,6 +80832,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3967"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3840"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14225">
       <id>868</id>
@@ -80039,6 +80908,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4208"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="14227">
       <id>869</id>
@@ -80062,328 +80932,369 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="11509"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Period id="14230">
       <id>0</id>
       <startDateTimeString>03:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1948</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>0</periodIndex>
+      <dayIndex>0</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
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     <org.drools.solver.examples.itc2007.examination.domain.Period id="14231">
       <id>1</id>
       <startDateTimeString>03:05:2005 13:30:00</startDateTimeString>
-      <dateInDays>1949</dateInDays>
-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>1</periodIndex>
+      <dayIndex>0</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
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       <id>2</id>
       <startDateTimeString>03:05:2005 16:30:00</startDateTimeString>
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-      <startTimeInMinutes>990</startTimeInMinutes>
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+      <dayIndex>0</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
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     <org.drools.solver.examples.itc2007.examination.domain.Period id="14233">
       <id>3</id>
       <startDateTimeString>04:05:2005 09:30:00</startDateTimeString>
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-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>3</periodIndex>
+      <dayIndex>1</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>50</penalty>
+      <frontLoadLast>false</frontLoadLast>
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       <startDateTimeString>04:05:2005 13:30:00</startDateTimeString>
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-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>4</periodIndex>
+      <dayIndex>1</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
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       <id>5</id>
       <startDateTimeString>04:05:2005 16:30:00</startDateTimeString>
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       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
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       <startDateTimeString>04:05:2005 18:00:00</startDateTimeString>
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       <penalty>0</penalty>
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       <penalty>50</penalty>
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       <penalty>0</penalty>
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       <startDateTimeString>06:05:2005 09:30:00</startDateTimeString>
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       <penalty>0</penalty>
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       <penalty>0</penalty>
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       <penalty>0</penalty>
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       <penalty>0</penalty>
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       <penalty>0</penalty>
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       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14246">
       <id>16</id>
       <startDateTimeString>10:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1955</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>16</periodIndex>
+      <dayIndex>7</dayIndex>
       <durationInMinutes>195</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14247">
       <id>17</id>
       <startDateTimeString>10:05:2005 13:30:00</startDateTimeString>
-      <dateInDays>1956</dateInDays>
-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>17</periodIndex>
+      <dayIndex>7</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>50</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14248">
       <id>18</id>
       <startDateTimeString>10:05:2005 16:30:00</startDateTimeString>
-      <dateInDays>1956</dateInDays>
-      <startTimeInMinutes>990</startTimeInMinutes>
+      <periodIndex>18</periodIndex>
+      <dayIndex>7</dayIndex>
       <durationInMinutes>90</durationInMinutes>
       <penalty>50</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14249">
       <id>19</id>
       <startDateTimeString>11:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1956</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>19</periodIndex>
+      <dayIndex>8</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14250">
       <id>20</id>
       <startDateTimeString>11:05:2005 13:30:00</startDateTimeString>
-      <dateInDays>1957</dateInDays>
-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>20</periodIndex>
+      <dayIndex>8</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14251">
       <id>21</id>
       <startDateTimeString>11:05:2005 16:30:00</startDateTimeString>
-      <dateInDays>1957</dateInDays>
-      <startTimeInMinutes>990</startTimeInMinutes>
+      <periodIndex>21</periodIndex>
+      <dayIndex>8</dayIndex>
       <durationInMinutes>90</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14252">
       <id>22</id>
       <startDateTimeString>12:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1957</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>22</periodIndex>
+      <dayIndex>9</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14253">
       <id>23</id>
       <startDateTimeString>12:05:2005 13:30:00</startDateTimeString>
-      <dateInDays>1958</dateInDays>
-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>23</periodIndex>
+      <dayIndex>9</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14254">
       <id>24</id>
       <startDateTimeString>12:05:2005 16:30:00</startDateTimeString>
-      <dateInDays>1958</dateInDays>
-      <startTimeInMinutes>990</startTimeInMinutes>
+      <periodIndex>24</periodIndex>
+      <dayIndex>9</dayIndex>
       <durationInMinutes>90</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14255">
       <id>25</id>
       <startDateTimeString>13:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1958</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>25</periodIndex>
+      <dayIndex>10</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14256">
       <id>26</id>
       <startDateTimeString>13:05:2005 13:30:00</startDateTimeString>
-      <dateInDays>1959</dateInDays>
-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>26</periodIndex>
+      <dayIndex>10</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14257">
       <id>27</id>
       <startDateTimeString>16:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1961</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>27</periodIndex>
+      <dayIndex>13</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14258">
       <id>28</id>
       <startDateTimeString>16:05:2005 13:30:00</startDateTimeString>
-      <dateInDays>1962</dateInDays>
-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>28</periodIndex>
+      <dayIndex>13</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14259">
       <id>29</id>
       <startDateTimeString>16:05:2005 16:30:00</startDateTimeString>
-      <dateInDays>1962</dateInDays>
-      <startTimeInMinutes>990</startTimeInMinutes>
+      <periodIndex>29</periodIndex>
+      <dayIndex>13</dayIndex>
       <durationInMinutes>60</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14260">
       <id>30</id>
       <startDateTimeString>17:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1962</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>30</periodIndex>
+      <dayIndex>14</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14261">
       <id>31</id>
       <startDateTimeString>17:05:2005 13:30:00</startDateTimeString>
-      <dateInDays>1963</dateInDays>
-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>31</periodIndex>
+      <dayIndex>14</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14262">
       <id>32</id>
       <startDateTimeString>17:05:2005 16:30:00</startDateTimeString>
-      <dateInDays>1963</dateInDays>
-      <startTimeInMinutes>990</startTimeInMinutes>
+      <periodIndex>32</periodIndex>
+      <dayIndex>14</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14263">
       <id>33</id>
       <startDateTimeString>18:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1963</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>33</periodIndex>
+      <dayIndex>15</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14264">
       <id>34</id>
       <startDateTimeString>18:05:2005 13:30:00</startDateTimeString>
-      <dateInDays>1964</dateInDays>
-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>34</periodIndex>
+      <dayIndex>15</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14265">
       <id>35</id>
       <startDateTimeString>18:05:2005 16:30:00</startDateTimeString>
-      <dateInDays>1964</dateInDays>
-      <startTimeInMinutes>990</startTimeInMinutes>
+      <periodIndex>35</periodIndex>
+      <dayIndex>15</dayIndex>
       <durationInMinutes>60</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14266">
       <id>36</id>
       <startDateTimeString>18:05:2005 18:00:00</startDateTimeString>
-      <dateInDays>1964</dateInDays>
-      <startTimeInMinutes>1080</startTimeInMinutes>
+      <periodIndex>36</periodIndex>
+      <dayIndex>15</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14267">
       <id>37</id>
       <startDateTimeString>19:05:2005 09:30:00</startDateTimeString>
-      <dateInDays>1964</dateInDays>
-      <startTimeInMinutes>570</startTimeInMinutes>
+      <periodIndex>37</periodIndex>
+      <dayIndex>16</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14268">
       <id>38</id>
       <startDateTimeString>19:05:2005 13:30:00</startDateTimeString>
-      <dateInDays>1965</dateInDays>
-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>38</periodIndex>
+      <dayIndex>16</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="14269">
       <id>39</id>
       <startDateTimeString>19:05:2005 16:30:00</startDateTimeString>
-      <dateInDays>1965</dateInDays>
-      <startTimeInMinutes>990</startTimeInMinutes>
+      <periodIndex>39</periodIndex>
+      <dayIndex>16</dayIndex>
       <durationInMinutes>90</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
   </periodList>
   <roomList id="14270">
@@ -80707,5224 +81618,5224 @@
   </roomHardConstraintList>
   <examList id="14340">
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14341">
-      <id>0</id>
-      <topic reference="12489"/>
+      <id>46</id>
+      <topic reference="12581"/>
       <period reference="14230"/>
       <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14342">
-      <id>1</id>
-      <topic reference="12491"/>
-      <period reference="14231"/>
+      <id>54</id>
+      <topic reference="12597"/>
+      <period reference="14230"/>
       <room reference="14272"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14343">
-      <id>2</id>
-      <topic reference="12493"/>
-      <period reference="14232"/>
-      <room reference="14273"/>
+      <id>111</id>
+      <topic reference="12711"/>
+      <period reference="14230"/>
+      <room reference="14272"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14344">
-      <id>3</id>
-      <topic reference="12495"/>
-      <period reference="14233"/>
-      <room reference="14274"/>
+      <id>126</id>
+      <topic reference="12741"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14345">
-      <id>4</id>
-      <topic reference="12497"/>
-      <period reference="14234"/>
-      <room reference="14275"/>
+      <id>143</id>
+      <topic reference="12775"/>
+      <period reference="14230"/>
+      <room reference="14272"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14346">
-      <id>5</id>
-      <topic reference="12499"/>
-      <period reference="14235"/>
-      <room reference="14276"/>
+      <id>179</id>
+      <topic reference="12847"/>
+      <period reference="14230"/>
+      <room reference="14272"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14347">
-      <id>6</id>
-      <topic reference="12501"/>
-      <period reference="14236"/>
-      <room reference="14277"/>
+      <id>210</id>
+      <topic reference="12909"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14348">
-      <id>7</id>
-      <topic reference="12503"/>
-      <period reference="14237"/>
-      <room reference="14278"/>
+      <id>211</id>
+      <topic reference="12911"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14349">
-      <id>8</id>
-      <topic reference="12505"/>
-      <period reference="14238"/>
-      <room reference="14279"/>
+      <id>222</id>
+      <topic reference="12933"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14350">
-      <id>9</id>
-      <topic reference="12507"/>
-      <period reference="14239"/>
-      <room reference="14280"/>
+      <id>239</id>
+      <topic reference="12967"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14351">
-      <id>10</id>
-      <topic reference="12509"/>
-      <period reference="14240"/>
-      <room reference="14281"/>
+      <id>247</id>
+      <topic reference="12983"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14352">
-      <id>11</id>
-      <topic reference="12511"/>
-      <period reference="14241"/>
-      <room reference="14282"/>
+      <id>258</id>
+      <topic reference="13005"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14353">
-      <id>12</id>
-      <topic reference="12513"/>
-      <period reference="14242"/>
-      <room reference="14283"/>
+      <id>298</id>
+      <topic reference="13085"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14354">
-      <id>13</id>
-      <topic reference="12515"/>
-      <period reference="14243"/>
-      <room reference="14284"/>
+      <id>365</id>
+      <topic reference="13219"/>
+      <period reference="14230"/>
+      <room reference="14272"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14355">
-      <id>14</id>
-      <topic reference="12517"/>
-      <period reference="14244"/>
-      <room reference="14285"/>
+      <id>371</id>
+      <topic reference="13231"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14356">
-      <id>15</id>
-      <topic reference="12519"/>
-      <period reference="14245"/>
-      <room reference="14286"/>
+      <id>386</id>
+      <topic reference="13261"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14357">
-      <id>16</id>
-      <topic reference="12521"/>
-      <period reference="14246"/>
-      <room reference="14287"/>
+      <id>387</id>
+      <topic reference="13263"/>
+      <period reference="14234"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14358">
-      <id>17</id>
-      <topic reference="12523"/>
-      <period reference="14247"/>
-      <room reference="14288"/>
+      <id>423</id>
+      <topic reference="13335"/>
+      <period reference="14230"/>
+      <room reference="14272"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14359">
-      <id>18</id>
-      <topic reference="12525"/>
-      <period reference="14248"/>
-      <room reference="14289"/>
+      <id>479</id>
+      <topic reference="13447"/>
+      <period reference="14230"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14360">
-      <id>19</id>
-      <topic reference="12527"/>
-      <period reference="14249"/>
-      <room reference="14290"/>
+      <id>491</id>
+      <topic reference="13471"/>
+      <period reference="14230"/>
+      <room reference="14272"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14361">
-      <id>20</id>
-      <topic reference="12529"/>
-      <period reference="14250"/>
-      <room reference="14291"/>
+      <id>492</id>
+      <topic reference="13473"/>
+      <period reference="14235"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14362">
-      <id>21</id>
-      <topic reference="12531"/>
-      <period reference="14251"/>
-      <room reference="14292"/>
+      <id>497</id>
+      <topic reference="13483"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14363">
-      <id>22</id>
-      <topic reference="12533"/>
-      <period reference="14252"/>
-      <room reference="14293"/>
+      <id>501</id>
+      <topic reference="13491"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14364">
-      <id>23</id>
-      <topic reference="12535"/>
-      <period reference="14253"/>
-      <room reference="14294"/>
+      <id>502</id>
+      <topic reference="13493"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14365">
-      <id>24</id>
-      <topic reference="12537"/>
-      <period reference="14254"/>
-      <room reference="14295"/>
+      <id>515</id>
+      <topic reference="13519"/>
+      <period reference="14230"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15172">
-      <id>831</id>
-      <topic reference="14151"/>
-      <period reference="14261"/>
-      <room reference="14304"/>
+      <id>773</id>
+      <topic reference="14035"/>
+      <period reference="14243"/>
+      <room reference="14272"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15173">
-      <id>832</id>
-      <topic reference="14153"/>
-      <period reference="14262"/>
-      <room reference="14305"/>
+      <id>590</id>
+      <topic reference="13669"/>
+      <period reference="14241"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15174">
-      <id>833</id>
-      <topic reference="14155"/>
-      <period reference="14263"/>
-      <room reference="14306"/>
+      <id>113</id>
+      <topic reference="12715"/>
+      <period reference="14241"/>
+      <room reference="14272"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15175">
-      <id>834</id>
-      <topic reference="14157"/>
-      <period reference="14264"/>
-      <room reference="14307"/>
+      <id>272</id>
+      <topic reference="13033"/>
+      <period reference="14255"/>
+      <room reference="14302"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15176">
-      <id>835</id>
-      <topic reference="14159"/>
-      <period reference="14265"/>
-      <room reference="14308"/>
+      <id>627</id>
+      <topic reference="13743"/>
+      <period reference="14255"/>
+      <room reference="14302"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15177">
-      <id>836</id>
-      <topic reference="14161"/>
-      <period reference="14266"/>
-      <room reference="14309"/>
+      <id>40</id>
+      <topic reference="12569"/>
+      <period reference="14243"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15178">
-      <id>837</id>
-      <topic reference="14163"/>
-      <period reference="14267"/>
-      <room reference="14310"/>
+      <id>144</id>
+      <topic reference="12777"/>
+      <period reference="14252"/>
+      <room reference="14305"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15179">
-      <id>838</id>
-      <topic reference="14165"/>
-      <period reference="14268"/>
-      <room reference="14311"/>
+      <id>770</id>
+      <topic reference="14029"/>
+      <period reference="14255"/>
+      <room reference="14305"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15180">
-      <id>839</id>
-      <topic reference="14167"/>
-      <period reference="14269"/>
-      <room reference="14312"/>
+      <id>767</id>
+      <topic reference="14023"/>
+      <period reference="14256"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15181">
-      <id>840</id>
-      <topic reference="14169"/>
-      <period reference="14230"/>
-      <room reference="14313"/>
+      <id>768</id>
+      <topic reference="14025"/>
+      <period reference="14260"/>
+      <room reference="14302"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15182">
-      <id>841</id>
-      <topic reference="14171"/>
-      <period reference="14231"/>
-      <room reference="14314"/>
+      <id>141</id>
+      <topic reference="12771"/>
+      <period reference="14250"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15183">
-      <id>842</id>
-      <topic reference="14173"/>
-      <period reference="14232"/>
-      <room reference="14315"/>
+      <id>464</id>
+      <topic reference="13417"/>
+      <period reference="14253"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15184">
-      <id>843</id>
-      <topic reference="14175"/>
-      <period reference="14233"/>
-      <room reference="14316"/>
+      <id>629</id>
+      <topic reference="13747"/>
+      <period reference="14260"/>
+      <room reference="14305"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15185">
-      <id>844</id>
-      <topic reference="14177"/>
-      <period reference="14234"/>
-      <room reference="14317"/>
+      <id>460</id>
+      <topic reference="13409"/>
+      <period reference="14257"/>
+      <room reference="14302"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15186">
-      <id>845</id>
-      <topic reference="14179"/>
-      <period reference="14235"/>
-      <room reference="14318"/>
+      <id>706</id>
+      <topic reference="13901"/>
+      <period reference="14250"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15187">
-      <id>846</id>
-      <topic reference="14181"/>
-      <period reference="14236"/>
-      <room reference="14319"/>
+      <id>708</id>
+      <topic reference="13905"/>
+      <period reference="14257"/>
+      <room reference="14305"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15188">
-      <id>847</id>
-      <topic reference="14183"/>
-      <period reference="14237"/>
-      <room reference="14293"/>
+      <id>621</id>
+      <topic reference="13731"/>
+      <period reference="14235"/>
+      <room reference="14302"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15189">
-      <id>848</id>
-      <topic reference="14185"/>
-      <period reference="14238"/>
-      <room reference="14294"/>
+      <id>740</id>
+      <topic reference="13969"/>
+      <period reference="14253"/>
+      <room reference="14272"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15190">
-      <id>849</id>
-      <topic reference="14187"/>
-      <period reference="14239"/>
-      <room reference="14295"/>
+      <id>86</id>
+      <topic reference="12661"/>
+      <period reference="14253"/>
+      <room reference="14302"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15191">
-      <id>850</id>
-      <topic reference="14189"/>
-      <period reference="14240"/>
-      <room reference="14296"/>
+      <id>714</id>
+      <topic reference="13917"/>
+      <period reference="14260"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15192">
-      <id>851</id>
-      <topic reference="14191"/>
-      <period reference="14241"/>
-      <room reference="14297"/>
+      <id>0</id>
+      <topic reference="12489"/>
+      <period reference="14238"/>
+      <room reference="14302"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15193">
-      <id>852</id>
-      <topic reference="14193"/>
-      <period reference="14242"/>
-      <room reference="14298"/>
+      <id>626</id>
+      <topic reference="13741"/>
+      <period reference="14250"/>
+      <room reference="14302"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15194">
-      <id>853</id>
-      <topic reference="14195"/>
-      <period reference="14243"/>
-      <room reference="14299"/>
+      <id>771</id>
+      <topic reference="14031"/>
+      <period reference="14267"/>
+      <room reference="14302"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15195">
-      <id>854</id>
-      <topic reference="14197"/>
-      <period reference="14244"/>
-      <room reference="14300"/>
+      <id>1</id>
+      <topic reference="12491"/>
+      <period reference="14243"/>
+      <room reference="14302"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15196">
-      <id>855</id>
-      <topic reference="14199"/>
-      <period reference="14245"/>
-      <room reference="14301"/>
+      <id>2</id>
+      <topic reference="12493"/>
+      <period reference="14253"/>
+      <room reference="14305"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15197">
-      <id>856</id>
-      <topic reference="14201"/>
-      <period reference="14246"/>
-      <room reference="14302"/>
+      <id>459</id>
+      <topic reference="13407"/>
+      <period reference="14238"/>
+      <room reference="14305"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15198">
-      <id>857</id>
-      <topic reference="14203"/>
-      <period reference="14247"/>
-      <room reference="14303"/>
+      <id>271</id>
+      <topic reference="13031"/>
+      <period reference="14241"/>
+      <room reference="14302"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15199">
-      <id>858</id>
-      <topic reference="14205"/>
-      <period reference="14248"/>
-      <room reference="14304"/>
+      <id>765</id>
+      <topic reference="14019"/>
+      <period reference="14250"/>
+      <room reference="14305"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15200">
-      <id>859</id>
-      <topic reference="14207"/>
-      <period reference="14249"/>
-      <room reference="14305"/>
+      <id>463</id>
+      <topic reference="13415"/>
+      <period reference="14256"/>
+      <room reference="14302"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15201">
-      <id>860</id>
-      <topic reference="14209"/>
-      <period reference="14250"/>
-      <room reference="14306"/>
+      <id>762</id>
+      <topic reference="14013"/>
+      <period reference="14263"/>
+      <room reference="14302"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15202">
-      <id>861</id>
-      <topic reference="14211"/>
-      <period reference="14251"/>
-      <room reference="14307"/>
+      <id>632</id>
+      <topic reference="13753"/>
+      <period reference="14258"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15203">
-      <id>862</id>
-      <topic reference="14213"/>
-      <period reference="14252"/>
-      <room reference="14308"/>
+      <id>475</id>
+      <topic reference="13439"/>
+      <period reference="14244"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15204">
-      <id>863</id>
-      <topic reference="14215"/>
-      <period reference="14253"/>
-      <room reference="14309"/>
+      <id>478</id>
+      <topic reference="13445"/>
+      <period reference="14261"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15205">
-      <id>864</id>
-      <topic reference="14217"/>
-      <period reference="14254"/>
-      <room reference="14310"/>
+      <id>623</id>
+      <topic reference="13735"/>
+      <period reference="14264"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15206">
-      <id>865</id>
-      <topic reference="14219"/>
-      <period reference="14255"/>
-      <room reference="14311"/>
+      <id>16</id>
+      <topic reference="12521"/>
+      <period reference="14268"/>
+      <room reference="14302"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15207">
-      <id>866</id>
-      <topic reference="14221"/>
-      <period reference="14256"/>
-      <room reference="14312"/>
+      <id>477</id>
+      <topic reference="13443"/>
+      <period reference="14258"/>
+      <room reference="14302"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15208">
-      <id>867</id>
-      <topic reference="14223"/>
-      <period reference="14257"/>
-      <room reference="14313"/>
+      <id>622</id>
+      <topic reference="13733"/>
+      <period reference="14266"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15209">
-      <id>868</id>
-      <topic reference="14225"/>
-      <period reference="14258"/>
-      <room reference="14314"/>
+      <id>136</id>
+      <topic reference="12761"/>
+      <period reference="14262"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15210">
-      <id>869</id>
-      <topic reference="14227"/>
-      <period reference="14259"/>
-      <room reference="14315"/>
+      <id>120</id>
+      <topic reference="12729"/>
+      <period reference="14269"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
   </examList>
 </org.drools.solver.examples.itc2007.examination.domain.Examination>
\ No newline at end of file

Modified: labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/solved/exam_comp_set3_ge0ffrey.xml
===================================================================
--- labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/solved/exam_comp_set3_ge0ffrey.xml	2008-01-06 19:35:13 UTC (rev 17581)
+++ labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/solved/exam_comp_set3_ge0ffrey.xml	2008-01-06 20:43:57 UTC (rev 17582)
@@ -3,9 +3,10 @@
   <institutionalWeighting id="2">
     <twoInARowPenality>15</twoInARowPenality>
     <twoInADayPenality>10</twoInADayPenality>
-    <periodSpreadPenality>4</periodSpreadPenality>
+    <periodSpreadLength>4</periodSpreadLength>
+    <periodSpreadPenality>1</periodSpreadPenality>
     <mixedDurationPenality>20</mixedDurationPenality>
-    <frontLoadLargestExamSize>200</frontLoadLargestExamSize>
+    <frontLoadLargeTopicSize>200</frontLoadLargeTopicSize>
     <frontLoadLastPeriodSize>20</frontLoadLastPeriodSize>
     <frontLoadPenality>10</frontLoadPenality>
   </institutionalWeighting>
@@ -49145,6 +49146,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="15843"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="15494"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="16372">
       <id>1</id>
@@ -49199,6 +49201,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="15673"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="16360"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="16374">
       <id>2</id>
@@ -49401,6 +49404,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="15554"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="15318"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="16376">
       <id>3</id>
@@ -49458,6 +49462,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="10737"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="10779"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="16378">
       <id>4</id>
@@ -49489,6 +49494,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="9391"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="10817"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="16380">
       <id>5</id>
@@ -49505,6 +49511,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="8782"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="9841"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="16382">
       <id>6</id>
@@ -49550,6 +49557,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="15242"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="14402"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="16384">
       <id>7</id>
@@ -49578,6 +49586,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4650"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5896"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="16386">
       <id>8</id>
@@ -49768,6 +49777,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="15390"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="15389"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="16388">
       <id>9</id>
@@ -49949,6 +49959,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="15390"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="15389"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="16390">
       <id>10</id>
@@ -50094,6 +50105,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="9652"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="10740"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="16392">
       <id>11</id>
@@ -50249,6 +50261,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="10737"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="10779"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="16394">
       <id>12</id>
@@ -50395,6 +50408,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="9652"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="10740"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="16396">
       <id>13</id>
@@ -50541,6 +50555,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="9652"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="10740"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="18200">
       <id>915</id>
@@ -115025,6 +115941,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="10827"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="10730"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="18202">
       <id>916</id>
@@ -115075,6 +115992,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="10730"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="10762"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="18204">
       <id>917</id>
@@ -115105,6 +116023,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="6097"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="9014"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="18206">
       <id>918</id>
@@ -115144,6 +116063,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="5298"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="9014"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="18208">
       <id>919</id>
@@ -115188,6 +116108,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="15647"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="15625"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="18210">
       <id>920</id>
@@ -115215,6 +116136,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="8124"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7926"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="18212">
       <id>921</id>
@@ -115268,6 +116190,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="7290"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="10152"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="18214">
       <id>922</id>
@@ -115283,6 +116206,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="9665"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="12331"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="18216">
       <id>923</id>
@@ -115342,6 +116266,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="16295"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="15623"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="18218">
       <id>924</id>
@@ -115397,6 +116322,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="10793"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="16113"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="18220">
       <id>925</id>
@@ -115431,6 +116357,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="10793"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="16113"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="18222">
       <id>926</id>
@@ -115458,6 +116385,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="8576"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="10818"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="18224">
       <id>927</id>
@@ -115549,6 +116477,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="15453"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="15495"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="18226">
       <id>928</id>
@@ -115710,6 +116639,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="15453"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="15478"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="18228">
       <id>929</id>
@@ -115764,6 +116694,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="10810"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="11111"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="18230">
       <id>930</id>
@@ -115811,6 +116742,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="10810"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="11111"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="18232">
       <id>931</id>
@@ -115832,6 +116764,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="15409"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="15410"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="18234">
       <id>932</id>
@@ -115853,6 +116786,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="15409"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="15410"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="18236">
       <id>933</id>
@@ -115860,296 +116794,333 @@
       <studentList id="18237">
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="11216"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
   </topicList>
   <periodList id="18238">
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18239">
       <id>0</id>
       <startDateTimeString>15:01:2007 09:00:00</startDateTimeString>
-      <dateInDays>2570</dateInDays>
-      <startTimeInMinutes>540</startTimeInMinutes>
+      <periodIndex>0</periodIndex>
+      <dayIndex>0</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18240">
       <id>1</id>
       <startDateTimeString>15:01:2007 13:30:00</startDateTimeString>
-      <dateInDays>2571</dateInDays>
-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>1</periodIndex>
+      <dayIndex>0</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18241">
       <id>2</id>
       <startDateTimeString>15:01:2007 16:30:00</startDateTimeString>
-      <dateInDays>2571</dateInDays>
-      <startTimeInMinutes>990</startTimeInMinutes>
+      <periodIndex>2</periodIndex>
+      <dayIndex>0</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18242">
       <id>3</id>
       <startDateTimeString>16:01:2007 09:00:00</startDateTimeString>
-      <dateInDays>2571</dateInDays>
-      <startTimeInMinutes>540</startTimeInMinutes>
+      <periodIndex>3</periodIndex>
+      <dayIndex>1</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18243">
       <id>4</id>
       <startDateTimeString>16:01:2007 13:30:00</startDateTimeString>
-      <dateInDays>2572</dateInDays>
-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>4</periodIndex>
+      <dayIndex>1</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18244">
       <id>5</id>
       <startDateTimeString>16:01:2007 16:30:00</startDateTimeString>
-      <dateInDays>2572</dateInDays>
-      <startTimeInMinutes>990</startTimeInMinutes>
+      <periodIndex>5</periodIndex>
+      <dayIndex>1</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18245">
       <id>6</id>
       <startDateTimeString>17:01:2007 09:00:00</startDateTimeString>
-      <dateInDays>2572</dateInDays>
-      <startTimeInMinutes>540</startTimeInMinutes>
+      <periodIndex>6</periodIndex>
+      <dayIndex>2</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>10</penalty>
+      <frontLoadLast>false</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18246">
       <id>7</id>
       <startDateTimeString>17:01:2007 13:30:00</startDateTimeString>
-      <dateInDays>2573</dateInDays>
-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>7</periodIndex>
+      <dayIndex>2</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18247">
       <id>8</id>
       <startDateTimeString>17:01:2007 16:30:00</startDateTimeString>
-      <dateInDays>2573</dateInDays>
-      <startTimeInMinutes>990</startTimeInMinutes>
+      <periodIndex>8</periodIndex>
+      <dayIndex>2</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18248">
       <id>9</id>
       <startDateTimeString>18:01:2007 09:00:00</startDateTimeString>
-      <dateInDays>2573</dateInDays>
-      <startTimeInMinutes>540</startTimeInMinutes>
+      <periodIndex>9</periodIndex>
+      <dayIndex>3</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18249">
       <id>10</id>
       <startDateTimeString>18:01:2007 13:30:00</startDateTimeString>
-      <dateInDays>2574</dateInDays>
-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>10</periodIndex>
+      <dayIndex>3</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18250">
       <id>11</id>
       <startDateTimeString>18:01:2007 16:30:00</startDateTimeString>
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-      <startTimeInMinutes>990</startTimeInMinutes>
+      <periodIndex>11</periodIndex>
+      <dayIndex>3</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18251">
       <id>12</id>
       <startDateTimeString>19:01:2007 09:00:00</startDateTimeString>
-      <dateInDays>2574</dateInDays>
-      <startTimeInMinutes>540</startTimeInMinutes>
+      <periodIndex>12</periodIndex>
+      <dayIndex>4</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18252">
       <id>13</id>
       <startDateTimeString>19:01:2007 13:30:00</startDateTimeString>
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-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>13</periodIndex>
+      <dayIndex>4</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18253">
       <id>14</id>
       <startDateTimeString>19:01:2007 16:30:00</startDateTimeString>
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-      <startTimeInMinutes>990</startTimeInMinutes>
+      <periodIndex>14</periodIndex>
+      <dayIndex>4</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18254">
       <id>15</id>
       <startDateTimeString>20:01:2007 09:00:00</startDateTimeString>
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-      <startTimeInMinutes>540</startTimeInMinutes>
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+      <dayIndex>5</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18255">
       <id>16</id>
       <startDateTimeString>20:01:2007 13:30:00</startDateTimeString>
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-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>16</periodIndex>
+      <dayIndex>5</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18256">
       <id>17</id>
       <startDateTimeString>20:01:2007 16:30:00</startDateTimeString>
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-      <startTimeInMinutes>990</startTimeInMinutes>
+      <periodIndex>17</periodIndex>
+      <dayIndex>5</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
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     <org.drools.solver.examples.itc2007.examination.domain.Period id="18257">
       <id>18</id>
       <startDateTimeString>22:01:2007 09:00:00</startDateTimeString>
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-      <startTimeInMinutes>540</startTimeInMinutes>
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+      <dayIndex>7</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18258">
       <id>19</id>
       <startDateTimeString>22:01:2007 13:30:00</startDateTimeString>
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-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>19</periodIndex>
+      <dayIndex>7</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>10</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18259">
       <id>20</id>
       <startDateTimeString>22:01:2007 16:30:00</startDateTimeString>
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-      <startTimeInMinutes>990</startTimeInMinutes>
+      <periodIndex>20</periodIndex>
+      <dayIndex>7</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>10</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18260">
       <id>21</id>
       <startDateTimeString>23:01:2007 09:00:00</startDateTimeString>
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-      <startTimeInMinutes>540</startTimeInMinutes>
+      <periodIndex>21</periodIndex>
+      <dayIndex>8</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
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     <org.drools.solver.examples.itc2007.examination.domain.Period id="18261">
       <id>22</id>
       <startDateTimeString>23:01:2007 13:30:00</startDateTimeString>
-      <dateInDays>2579</dateInDays>
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+      <periodIndex>22</periodIndex>
+      <dayIndex>8</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18262">
       <id>23</id>
       <startDateTimeString>23:01:2007 16:30:00</startDateTimeString>
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-      <startTimeInMinutes>990</startTimeInMinutes>
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+      <dayIndex>8</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18263">
       <id>24</id>
       <startDateTimeString>24:01:2007 09:00:00</startDateTimeString>
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-      <startTimeInMinutes>540</startTimeInMinutes>
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+      <dayIndex>9</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18264">
       <id>25</id>
       <startDateTimeString>24:01:2007 13:30:00</startDateTimeString>
-      <dateInDays>2580</dateInDays>
-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>25</periodIndex>
+      <dayIndex>9</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18265">
       <id>26</id>
       <startDateTimeString>24:01:2007 16:30:00</startDateTimeString>
-      <dateInDays>2580</dateInDays>
-      <startTimeInMinutes>990</startTimeInMinutes>
+      <periodIndex>26</periodIndex>
+      <dayIndex>9</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18266">
       <id>27</id>
       <startDateTimeString>25:01:2007 09:00:00</startDateTimeString>
-      <dateInDays>2580</dateInDays>
-      <startTimeInMinutes>540</startTimeInMinutes>
+      <periodIndex>27</periodIndex>
+      <dayIndex>10</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18267">
       <id>28</id>
       <startDateTimeString>25:01:2007 13:30:00</startDateTimeString>
-      <dateInDays>2581</dateInDays>
-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>28</periodIndex>
+      <dayIndex>10</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18268">
       <id>29</id>
       <startDateTimeString>25:01:2007 16:30:00</startDateTimeString>
-      <dateInDays>2581</dateInDays>
-      <startTimeInMinutes>990</startTimeInMinutes>
+      <periodIndex>29</periodIndex>
+      <dayIndex>10</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18269">
       <id>30</id>
       <startDateTimeString>26:01:2007 09:00:00</startDateTimeString>
-      <dateInDays>2581</dateInDays>
-      <startTimeInMinutes>540</startTimeInMinutes>
+      <periodIndex>30</periodIndex>
+      <dayIndex>11</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18270">
       <id>31</id>
       <startDateTimeString>26:01:2007 13:30:00</startDateTimeString>
-      <dateInDays>2582</dateInDays>
-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>31</periodIndex>
+      <dayIndex>11</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18271">
       <id>32</id>
       <startDateTimeString>26:01:2007 16:30:00</startDateTimeString>
-      <dateInDays>2582</dateInDays>
-      <startTimeInMinutes>990</startTimeInMinutes>
+      <periodIndex>32</periodIndex>
+      <dayIndex>11</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18272">
       <id>33</id>
       <startDateTimeString>27:01:2007 09:00:00</startDateTimeString>
-      <dateInDays>2582</dateInDays>
-      <startTimeInMinutes>540</startTimeInMinutes>
+      <periodIndex>33</periodIndex>
+      <dayIndex>12</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18273">
       <id>34</id>
       <startDateTimeString>27:01:2007 13:30:00</startDateTimeString>
-      <dateInDays>2583</dateInDays>
-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>34</periodIndex>
+      <dayIndex>12</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="18274">
       <id>35</id>
       <startDateTimeString>27:01:2007 16:30:00</startDateTimeString>
-      <dateInDays>2583</dateInDays>
-      <startTimeInMinutes>990</startTimeInMinutes>
+      <periodIndex>35</periodIndex>
+      <dayIndex>12</dayIndex>
       <durationInMinutes>120</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
   </periodList>
   <roomList id="18275">
@@ -117310,5608 +118281,5608 @@
   </roomHardConstraintList>
   <examList id="18515">
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18516">
-      <id>0</id>
-      <topic reference="16370"/>
+      <id>62</id>
+      <topic reference="16494"/>
       <period reference="18239"/>
       <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18517">
-      <id>1</id>
-      <topic reference="16372"/>
-      <period reference="18240"/>
-      <room reference="18277"/>
+      <id>63</id>
+      <topic reference="16496"/>
+      <period reference="18239"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18518">
-      <id>2</id>
-      <topic reference="16374"/>
-      <period reference="18241"/>
-      <room reference="18278"/>
+      <id>68</id>
+      <topic reference="16506"/>
+      <period reference="18239"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18519">
-      <id>3</id>
-      <topic reference="16376"/>
-      <period reference="18242"/>
-      <room reference="18279"/>
+      <id>134</id>
+      <topic reference="16638"/>
+      <period reference="18239"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18520">
-      <id>4</id>
-      <topic reference="16378"/>
-      <period reference="18243"/>
-      <room reference="18280"/>
+      <id>155</id>
+      <topic reference="16680"/>
+      <period reference="18239"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18521">
-      <id>5</id>
-      <topic reference="16380"/>
-      <period reference="18244"/>
-      <room reference="18281"/>
+      <id>178</id>
+      <topic reference="16726"/>
+      <period reference="18239"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18522">
-      <id>6</id>
-      <topic reference="16382"/>
-      <period reference="18245"/>
-      <room reference="18282"/>
+      <id>240</id>
+      <topic reference="16850"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18523">
-      <id>7</id>
-      <topic reference="16384"/>
-      <period reference="18246"/>
-      <room reference="18283"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18524">
-      <id>8</id>
-      <topic reference="16386"/>
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-      <room reference="18284"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18525">
-      <id>9</id>
-      <topic reference="16388"/>
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-      <room reference="18285"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18526">
-      <id>10</id>
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+      <topic reference="16872"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18527">
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     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18528">
-      <id>12</id>
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-      <room reference="18288"/>
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-      <room reference="18289"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18530">
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     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18531">
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     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18532">
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     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18533">
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     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18535">
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     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18536">
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     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18537">
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     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18541">
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-      <id>909</id>
-      <topic reference="18188"/>
-      <period reference="18248"/>
-      <room reference="18310"/>
+      <id>849</id>
+      <topic reference="18068"/>
+      <period reference="18261"/>
+      <room reference="18313"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19426">
-      <id>910</id>
-      <topic reference="18190"/>
-      <period reference="18249"/>
-      <room reference="18311"/>
+      <id>614</id>
+      <topic reference="17598"/>
+      <period reference="18245"/>
+      <room reference="18313"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19427">
-      <id>911</id>
-      <topic reference="18192"/>
-      <period reference="18250"/>
-      <room reference="18312"/>
+      <id>408</id>
+      <topic reference="17186"/>
+      <period reference="18257"/>
+      <room reference="18285"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19428">
-      <id>912</id>
-      <topic reference="18194"/>
-      <period reference="18251"/>
-      <room reference="18313"/>
+      <id>491</id>
+      <topic reference="17352"/>
+      <period reference="18268"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19429">
-      <id>913</id>
-      <topic reference="18196"/>
-      <period reference="18252"/>
-      <room reference="18314"/>
+      <id>889</id>
+      <topic reference="18148"/>
+      <period reference="18256"/>
+      <room reference="18313"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19430">
-      <id>914</id>
-      <topic reference="18198"/>
-      <period reference="18253"/>
-      <room reference="18315"/>
+      <id>488</id>
+      <topic reference="17346"/>
+      <period reference="18246"/>
+      <room reference="18313"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19431">
-      <id>915</id>
-      <topic reference="18200"/>
-      <period reference="18254"/>
-      <room reference="18316"/>
+      <id>490</id>
+      <topic reference="17350"/>
+      <period reference="18272"/>
+      <room reference="18313"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19432">
-      <id>916</id>
-      <topic reference="18202"/>
-      <period reference="18255"/>
-      <room reference="18317"/>
+      <id>628</id>
+      <topic reference="17626"/>
+      <period reference="18256"/>
+      <room reference="18313"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19433">
-      <id>917</id>
-      <topic reference="18204"/>
-      <period reference="18256"/>
-      <room reference="18318"/>
+      <id>56</id>
+      <topic reference="16482"/>
+      <period reference="18250"/>
+      <room reference="18313"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19434">
-      <id>918</id>
-      <topic reference="18206"/>
-      <period reference="18257"/>
-      <room reference="18319"/>
+      <id>613</id>
+      <topic reference="17596"/>
+      <period reference="18271"/>
+      <room reference="18313"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19435">
-      <id>919</id>
-      <topic reference="18208"/>
-      <period reference="18258"/>
-      <room reference="18320"/>
+      <id>656</id>
+      <topic reference="17682"/>
+      <period reference="18269"/>
+      <room reference="18313"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19436">
-      <id>920</id>
-      <topic reference="18210"/>
-      <period reference="18259"/>
-      <room reference="18321"/>
+      <id>622</id>
+      <topic reference="17614"/>
+      <period reference="18266"/>
+      <room reference="18313"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19437">
-      <id>921</id>
-      <topic reference="18212"/>
-      <period reference="18260"/>
-      <room reference="18322"/>
+      <id>640</id>
+      <topic reference="17650"/>
+      <period reference="18267"/>
+      <room reference="18313"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19438">
-      <id>922</id>
-      <topic reference="18214"/>
-      <period reference="18261"/>
-      <room reference="18323"/>
+      <id>638</id>
+      <topic reference="17646"/>
+      <period reference="18265"/>
+      <room reference="18313"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19439">
-      <id>923</id>
-      <topic reference="18216"/>
-      <period reference="18262"/>
-      <room reference="18302"/>
+      <id>615</id>
+      <topic reference="17600"/>
+      <period reference="18272"/>
+      <room reference="18313"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19440">
-      <id>924</id>
-      <topic reference="18218"/>
+      <id>365</id>
+      <topic reference="17100"/>
       <period reference="18263"/>
-      <room reference="18303"/>
+      <room reference="18313"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19441">
-      <id>925</id>
-      <topic reference="18220"/>
-      <period reference="18264"/>
-      <room reference="18304"/>
+      <id>632</id>
+      <topic reference="17634"/>
+      <period reference="18242"/>
+      <room reference="18313"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19442">
-      <id>926</id>
-      <topic reference="18222"/>
-      <period reference="18265"/>
-      <room reference="18305"/>
+      <id>639</id>
+      <topic reference="17648"/>
+      <period reference="18257"/>
+      <room reference="18313"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19443">
-      <id>927</id>
-      <topic reference="18224"/>
-      <period reference="18266"/>
-      <room reference="18306"/>
+      <id>634</id>
+      <topic reference="17638"/>
+      <period reference="18258"/>
+      <room reference="18313"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19444">
-      <id>928</id>
-      <topic reference="18226"/>
-      <period reference="18267"/>
-      <room reference="18307"/>
+      <id>635</id>
+      <topic reference="17640"/>
+      <period reference="18270"/>
+      <room reference="18313"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19445">
-      <id>929</id>
-      <topic reference="18228"/>
-      <period reference="18268"/>
-      <room reference="18308"/>
+      <id>362</id>
+      <topic reference="17094"/>
+      <period reference="18264"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19446">
-      <id>930</id>
-      <topic reference="18230"/>
-      <period reference="18269"/>
-      <room reference="18309"/>
+      <id>616</id>
+      <topic reference="17602"/>
+      <period reference="18253"/>
+      <room reference="18313"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19447">
-      <id>931</id>
-      <topic reference="18232"/>
-      <period reference="18270"/>
-      <room reference="18310"/>
+      <id>607</id>
+      <topic reference="17584"/>
+      <period reference="18262"/>
+      <room reference="18277"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19448">
-      <id>932</id>
-      <topic reference="18234"/>
-      <period reference="18271"/>
-      <room reference="18311"/>
+      <id>610</id>
+      <topic reference="17590"/>
+      <period reference="18253"/>
+      <room reference="18277"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19449">
-      <id>933</id>
-      <topic reference="18236"/>
-      <period reference="18272"/>
-      <room reference="18312"/>
+      <id>644</id>
+      <topic reference="17658"/>
+      <period reference="18254"/>
+      <room reference="18278"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
   </examList>
 </org.drools.solver.examples.itc2007.examination.domain.Examination>
\ No newline at end of file

Modified: labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/solved/exam_comp_set4_ge0ffrey.xml
===================================================================
--- labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/solved/exam_comp_set4_ge0ffrey.xml	2008-01-06 19:35:13 UTC (rev 17581)
+++ labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/solved/exam_comp_set4_ge0ffrey.xml	2008-01-06 20:43:57 UTC (rev 17582)
@@ -3,9 +3,10 @@
   <institutionalWeighting id="2">
     <twoInARowPenality>9</twoInARowPenality>
     <twoInADayPenality>5</twoInADayPenality>
-    <periodSpreadPenality>2</periodSpreadPenality>
+    <periodSpreadLength>2</periodSpreadLength>
+    <periodSpreadPenality>1</periodSpreadPenality>
     <mixedDurationPenality>10</mixedDurationPenality>
-    <frontLoadLargestExamSize>50</frontLoadLargestExamSize>
+    <frontLoadLargeTopicSize>50</frontLoadLargeTopicSize>
     <frontLoadLastPeriodSize>10</frontLoadLastPeriodSize>
     <frontLoadPenality>5</frontLoadPenality>
   </institutionalWeighting>
@@ -13372,6 +13373,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3101"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3103"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4428">
       <id>1</id>
@@ -13388,6 +13390,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1958"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1973"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4430">
       <id>2</id>
@@ -13463,6 +13466,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1942"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1956"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4432">
       <id>3</id>
@@ -13533,6 +13537,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1890"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1930"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4434">
       <id>4</id>
@@ -13570,6 +13575,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2041"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2078"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4436">
       <id>5</id>
@@ -13591,6 +13597,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3145"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3146"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4438">
       <id>6</id>
@@ -13631,6 +13638,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="977"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2002"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4440">
       <id>7</id>
@@ -13673,6 +13681,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1016"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="952"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4442">
       <id>8</id>
@@ -13719,6 +13728,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1942"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1956"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4444">
       <id>9</id>
@@ -13761,6 +13771,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1016"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="952"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4446">
       <id>10</id>
@@ -13797,6 +13808,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2005"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2041"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4448">
       <id>11</id>
@@ -13836,6 +13848,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="872"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="977"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4450">
       <id>12</id>
@@ -13845,6 +13858,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="203"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="471"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4452">
       <id>13</id>
@@ -13894,6 +13908,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3144"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4352"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4454">
       <id>14</id>
@@ -13938,6 +13953,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3160"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3144"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4456">
       <id>15</id>
@@ -14587,6 +14603,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1968"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3120"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4458">
       <id>16</id>
@@ -14626,6 +14643,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2075"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1905"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4460">
       <id>17</id>
@@ -14939,6 +14957,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3171"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3093"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4462">
       <id>18</id>
@@ -14989,6 +15008,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2002"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1930"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4464">
       <id>19</id>
@@ -15030,6 +15050,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1905"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1955"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4466">
       <id>20</id>
@@ -15053,6 +15074,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1818"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1755"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4468">
       <id>21</id>
@@ -15080,6 +15102,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1011"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="956"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4470">
       <id>22</id>
@@ -15091,6 +15114,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1755"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1955"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4472">
       <id>23</id>
@@ -15115,6 +15139,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1011"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1024"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4474">
       <id>24</id>
@@ -15128,6 +15153,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="869"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1005"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4476">
       <id>25</id>
@@ -15480,6 +15506,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3086"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3825"/>
       </studentList>
+      <frontLoadLarge>true</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4478">
       <id>26</id>
@@ -15535,6 +15562,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3187"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3176"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4480">
       <id>27</id>
@@ -15594,6 +15622,7 @@
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@@ -34751,6 +34991,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2770"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4906">
       <id>240</id>
@@ -34843,6 +35084,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3258"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3106"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4908">
       <id>241</id>
@@ -34865,6 +35107,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2091"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1892"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4910">
       <id>242</id>
@@ -34885,6 +35128,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2362"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2927"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4912">
       <id>243</id>
@@ -34914,6 +35158,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2091"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1892"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4914">
       <id>244</id>
@@ -34945,6 +35190,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1975"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2362"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4916">
       <id>245</id>
@@ -34967,6 +35213,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="844"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1066"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4918">
       <id>246</id>
@@ -34988,6 +35235,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2082"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3037"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4920">
       <id>247</id>
@@ -35013,6 +35261,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2449"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2420"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4922">
       <id>248</id>
@@ -35059,6 +35308,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3249"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3174"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4924">
       <id>249</id>
@@ -35101,6 +35351,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1900"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1903"/>
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+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4926">
       <id>250</id>
@@ -35133,6 +35384,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1900"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1903"/>
       </studentList>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4928">
       <id>251</id>
@@ -35147,6 +35399,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1758"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1897"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4930">
       <id>252</id>
@@ -35169,6 +35422,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1006"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1013"/>
       </studentList>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4932">
       <id>253</id>
@@ -35188,6 +35442,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2103"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1903"/>
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+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4934">
       <id>254</id>
@@ -35209,6 +35464,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1897"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1900"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4936">
       <id>255</id>
@@ -35229,6 +35485,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1584"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1789"/>
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+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4938">
       <id>256</id>
@@ -35251,6 +35508,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1943"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1939"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4940">
       <id>257</id>
@@ -35258,6 +35516,7 @@
       <studentList id="4941">
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2420"/>
       </studentList>
+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4942">
       <id>258</id>
@@ -35265,6 +35524,7 @@
       <studentList id="4943">
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1085"/>
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+      <frontLoadLarge>false</frontLoadLarge>
     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4944">
       <id>259</id>
@@ -35275,6 +35535,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="823"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1012"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4946">
       <id>260</id>
@@ -35289,6 +35550,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1012"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1041"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4948">
       <id>261</id>
@@ -36337,6 +36599,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3742"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="4141"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4950">
       <id>262</id>
@@ -36374,6 +36637,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3177"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3172"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4952">
       <id>263</id>
@@ -36407,6 +36671,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2911"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3228"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4954">
       <id>264</id>
@@ -36451,6 +36716,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3117"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4956">
       <id>265</id>
@@ -36478,6 +36744,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2553"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3147"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4958">
       <id>266</id>
@@ -36513,6 +36780,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2555"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2553"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4960">
       <id>267</id>
@@ -36548,6 +36816,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2555"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2553"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4962">
       <id>268</id>
@@ -36579,6 +36848,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="2553"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="3147"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4964">
       <id>269</id>
@@ -36606,6 +36876,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1735"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4966">
       <id>270</id>
@@ -36632,6 +36903,7 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1568"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4968">
       <id>271</id>
@@ -36643,6 +36915,7 @@
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="882"/>
         <org.drools.solver.examples.itc2007.examination.domain.Student reference="953"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Topic>
     <org.drools.solver.examples.itc2007.examination.domain.Topic id="4970">
       <id>272</id>
@@ -36652,176 +36925,198 @@
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         <org.drools.solver.examples.itc2007.examination.domain.Student reference="1020"/>
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   <periodList id="4972">
     <org.drools.solver.examples.itc2007.examination.domain.Period id="4973">
       <id>0</id>
       <startDateTimeString>10:12:2005 07:55:00</startDateTimeString>
-      <dateInDays>2169</dateInDays>
-      <startTimeInMinutes>475</startTimeInMinutes>
+      <periodIndex>0</periodIndex>
+      <dayIndex>0</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
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     <org.drools.solver.examples.itc2007.examination.domain.Period id="4974">
       <id>1</id>
       <startDateTimeString>10:12:2005 13:30:00</startDateTimeString>
-      <dateInDays>2170</dateInDays>
-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>1</periodIndex>
+      <dayIndex>0</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
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       <startDateTimeString>10:12:2005 19:30:00</startDateTimeString>
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+      <periodIndex>2</periodIndex>
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       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
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       <startDateTimeString>12:12:2005 07:55:00</startDateTimeString>
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+      <periodIndex>3</periodIndex>
+      <dayIndex>2</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>false</frontLoadLast>
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       <startDateTimeString>12:12:2005 13:30:00</startDateTimeString>
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       <penalty>0</penalty>
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       <penalty>50</penalty>
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       <penalty>0</penalty>
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       <penalty>0</penalty>
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       <penalty>0</penalty>
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       <penalty>0</penalty>
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       <penalty>0</penalty>
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       <penalty>0</penalty>
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     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="4989">
       <id>16</id>
       <startDateTimeString>16:12:2005 13:30:00</startDateTimeString>
-      <dateInDays>2176</dateInDays>
-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>16</periodIndex>
+      <dayIndex>6</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="4990">
       <id>17</id>
       <startDateTimeString>16:12:2005 19:30:00</startDateTimeString>
-      <dateInDays>2176</dateInDays>
-      <startTimeInMinutes>1170</startTimeInMinutes>
+      <periodIndex>17</periodIndex>
+      <dayIndex>6</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>200</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="4991">
       <id>18</id>
       <startDateTimeString>17:12:2005 07:55:00</startDateTimeString>
-      <dateInDays>2176</dateInDays>
-      <startTimeInMinutes>475</startTimeInMinutes>
+      <periodIndex>18</periodIndex>
+      <dayIndex>7</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
+      <frontLoadLast>true</frontLoadLast>
     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="4992">
       <id>19</id>
       <startDateTimeString>17:12:2005 13:30:00</startDateTimeString>
-      <dateInDays>2177</dateInDays>
-      <startTimeInMinutes>810</startTimeInMinutes>
+      <periodIndex>19</periodIndex>
+      <dayIndex>7</dayIndex>
       <durationInMinutes>180</durationInMinutes>
       <penalty>0</penalty>
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     </org.drools.solver.examples.itc2007.examination.domain.Period>
     <org.drools.solver.examples.itc2007.examination.domain.Period id="4993">
       <id>20</id>
       <startDateTimeString>17:12:2005 19:30:00</startDateTimeString>
-      <dateInDays>2177</dateInDays>
-      <startTimeInMinutes>1170</startTimeInMinutes>
+      <periodIndex>20</periodIndex>
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       <durationInMinutes>180</durationInMinutes>
       <penalty>500</penalty>
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     </org.drools.solver.examples.itc2007.examination.domain.Period>
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@@ -37036,1641 +37331,1641 @@
   <roomHardConstraintList id="5039"/>
   <examList id="5040">
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5041">
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5285">
-      <id>244</id>
-      <topic reference="4914"/>
-      <period reference="4986"/>
+      <id>30</id>
+      <topic reference="4486"/>
+      <period reference="4984"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5286">
-      <id>245</id>
-      <topic reference="4916"/>
-      <period reference="4987"/>
+      <id>55</id>
+      <topic reference="4536"/>
+      <period reference="4981"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5287">
-      <id>246</id>
-      <topic reference="4918"/>
-      <period reference="4988"/>
+      <id>224</id>
+      <topic reference="4874"/>
+      <period reference="4982"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5288">
-      <id>247</id>
-      <topic reference="4920"/>
-      <period reference="4989"/>
+      <id>229</id>
+      <topic reference="4884"/>
+      <period reference="4977"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5289">
-      <id>248</id>
-      <topic reference="4922"/>
-      <period reference="4990"/>
+      <id>31</id>
+      <topic reference="4488"/>
+      <period reference="4993"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5290">
-      <id>249</id>
-      <topic reference="4924"/>
-      <period reference="4991"/>
+      <id>110</id>
+      <topic reference="4646"/>
+      <period reference="4974"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5291">
-      <id>250</id>
-      <topic reference="4926"/>
+      <id>139</id>
+      <topic reference="4704"/>
       <period reference="4992"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5292">
-      <id>251</id>
-      <topic reference="4928"/>
-      <period reference="4993"/>
+      <id>225</id>
+      <topic reference="4876"/>
+      <period reference="4973"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5293">
-      <id>252</id>
-      <topic reference="4930"/>
-      <period reference="4973"/>
+      <id>74</id>
+      <topic reference="4574"/>
+      <period reference="4987"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5294">
-      <id>253</id>
-      <topic reference="4932"/>
-      <period reference="4974"/>
+      <id>60</id>
+      <topic reference="4546"/>
+      <period reference="4983"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5295">
-      <id>254</id>
-      <topic reference="4934"/>
-      <period reference="4975"/>
+      <id>42</id>
+      <topic reference="4510"/>
+      <period reference="4983"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5296">
-      <id>255</id>
-      <topic reference="4936"/>
-      <period reference="4976"/>
+      <id>28</id>
+      <topic reference="4482"/>
+      <period reference="4977"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5297">
-      <id>256</id>
-      <topic reference="4938"/>
-      <period reference="4977"/>
+      <id>17</id>
+      <topic reference="4460"/>
+      <period reference="4984"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5298">
-      <id>257</id>
-      <topic reference="4940"/>
-      <period reference="4978"/>
+      <id>230</id>
+      <topic reference="4886"/>
+      <period reference="4986"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5299">
-      <id>258</id>
-      <topic reference="4942"/>
-      <period reference="4979"/>
+      <id>25</id>
+      <topic reference="4476"/>
+      <period reference="4978"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5300">
-      <id>259</id>
-      <topic reference="4944"/>
-      <period reference="4980"/>
+      <id>160</id>
+      <topic reference="4746"/>
+      <period reference="4975"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5301">
-      <id>260</id>
-      <topic reference="4946"/>
+      <id>223</id>
+      <topic reference="4872"/>
       <period reference="4981"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5302">
-      <id>261</id>
-      <topic reference="4948"/>
-      <period reference="4982"/>
+      <id>233</id>
+      <topic reference="4892"/>
+      <period reference="4990"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5303">
-      <id>262</id>
-      <topic reference="4950"/>
-      <period reference="4983"/>
+      <id>179</id>
+      <topic reference="4784"/>
+      <period reference="4993"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5304">
-      <id>263</id>
-      <topic reference="4952"/>
-      <period reference="4984"/>
+      <id>159</id>
+      <topic reference="4744"/>
+      <period reference="4974"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5305">
-      <id>264</id>
-      <topic reference="4954"/>
-      <period reference="4985"/>
+      <id>158</id>
+      <topic reference="4742"/>
+      <period reference="4991"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5306">
-      <id>265</id>
-      <topic reference="4956"/>
-      <period reference="4986"/>
+      <id>107</id>
+      <topic reference="4640"/>
+      <period reference="4989"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5307">
-      <id>266</id>
-      <topic reference="4958"/>
-      <period reference="4987"/>
+      <id>185</id>
+      <topic reference="4796"/>
+      <period reference="4978"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5308">
-      <id>267</id>
-      <topic reference="4960"/>
-      <period reference="4988"/>
+      <id>15</id>
+      <topic reference="4456"/>
+      <period reference="4980"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5309">
-      <id>268</id>
-      <topic reference="4962"/>
-      <period reference="4989"/>
+      <id>195</id>
+      <topic reference="4816"/>
+      <period reference="4978"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5310">
-      <id>269</id>
-      <topic reference="4964"/>
+      <id>261</id>
+      <topic reference="4948"/>
       <period reference="4990"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5311">
-      <id>270</id>
-      <topic reference="4966"/>
-      <period reference="4991"/>
+      <id>188</id>
+      <topic reference="4802"/>
+      <period reference="4990"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5312">
-      <id>271</id>
-      <topic reference="4968"/>
-      <period reference="4992"/>
+      <id>200</id>
+      <topic reference="4826"/>
+      <period reference="4978"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="5313">
-      <id>272</id>
-      <topic reference="4970"/>
-      <period reference="4993"/>
+      <id>180</id>
+      <topic reference="4786"/>
+      <period reference="4986"/>
       <room reference="4995"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
   </examList>

Modified: labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/unsolved/exam_comp_set1.xml
===================================================================
--- labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/unsolved/exam_comp_set1.xml	2008-01-06 19:35:13 UTC (rev 17581)
+++ labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/unsolved/exam_comp_set1.xml	2008-01-06 20:43:57 UTC (rev 17582)
@@ -3,7 +3,8 @@
   <institutionalWeighting id="2">
     <twoInARowPenality>7</twoInARowPenality>
     <twoInADayPenality>5</twoInADayPenality>
-    <periodSpreadPenality>5</periodSpreadPenality>
+    <periodSpreadLength>5</periodSpreadLength>
+    <periodSpreadPenality>1</periodSpreadPenality>
     <mixedDurationPenality>10</mixedDurationPenality>
     <frontLoadLargeTopicSize>100</frontLoadLargeTopicSize>
     <frontLoadLastPeriodSize>30</frontLoadLastPeriodSize>
@@ -60881,3646 +60882,3646 @@
   <roomHardConstraintList id="9181"/>
   <examList id="9182">
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9183">
-      <id>0</id>
-      <topic reference="7888"/>
+      <id>37</id>
+      <topic reference="7962"/>
       <period reference="9103"/>
       <room reference="9158"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9184">
-      <id>1</id>
-      <topic reference="7890"/>
-      <period reference="9104"/>
+      <id>81</id>
+      <topic reference="8050"/>
+      <period reference="9103"/>
       <room reference="9159"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9185">
-      <id>2</id>
-      <topic reference="7892"/>
-      <period reference="9105"/>
-      <room reference="9160"/>
+      <id>82</id>
+      <topic reference="8052"/>
+      <period reference="9108"/>
+      <room reference="9158"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9186">
-      <id>3</id>
-      <topic reference="7894"/>
-      <period reference="9106"/>
-      <room reference="9161"/>
+      <id>83</id>
+      <topic reference="8054"/>
+      <period reference="9113"/>
+      <room reference="9158"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9187">
-      <id>4</id>
-      <topic reference="7896"/>
-      <period reference="9107"/>
-      <room reference="9162"/>
+      <id>178</id>
+      <topic reference="8244"/>
+      <period reference="9103"/>
+      <room reference="9158"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9188">
-      <id>5</id>
-      <topic reference="7898"/>
-      <period reference="9108"/>
-      <room reference="9163"/>
+      <id>29</id>
+      <topic reference="7946"/>
+      <period reference="9103"/>
+      <room reference="9158"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9189">
-      <id>6</id>
-      <topic reference="7900"/>
-      <period reference="9109"/>
-      <room reference="9164"/>
+      <id>78</id>
+      <topic reference="8044"/>
+      <period reference="9103"/>
+      <room reference="9162"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9190">
-      <id>7</id>
-      <topic reference="7902"/>
-      <period reference="9110"/>
-      <room reference="9159"/>
+      <id>79</id>
+      <topic reference="8046"/>
+      <period reference="9103"/>
+      <room reference="9162"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9191">
-      <id>8</id>
-      <topic reference="7904"/>
-      <period reference="9111"/>
-      <room reference="9160"/>
+      <id>291</id>
+      <topic reference="8470"/>
+      <period reference="9103"/>
+      <room reference="9159"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9192">
-      <id>9</id>
-      <topic reference="7906"/>
-      <period reference="9112"/>
-      <room reference="9161"/>
+      <id>341</id>
+      <topic reference="8570"/>
+      <period reference="9103"/>
+      <room reference="9159"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9193">
-      <id>10</id>
-      <topic reference="7908"/>
-      <period reference="9113"/>
-      <room reference="9162"/>
+      <id>421</id>
+      <topic reference="8730"/>
+      <period reference="9103"/>
+      <room reference="9158"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9194">
-      <id>11</id>
-      <topic reference="7910"/>
-      <period reference="9114"/>
-      <room reference="9163"/>
+      <id>225</id>
+      <topic reference="8338"/>
+      <period reference="9103"/>
+      <room reference="9158"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9195">
-      <id>12</id>
-      <topic reference="7912"/>
-      <period reference="9115"/>
-      <room reference="9164"/>
+      <id>337</id>
+      <topic reference="8562"/>
+      <period reference="9103"/>
+      <room reference="9158"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9196">
-      <id>13</id>
-      <topic reference="7914"/>
-      <period reference="9116"/>
-      <room reference="9160"/>
+      <id>94</id>
+      <topic reference="8076"/>
+      <period reference="9103"/>
+      <room reference="9159"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9197">
-      <id>14</id>
-      <topic reference="7916"/>
-      <period reference="9117"/>
-      <room reference="9161"/>
+      <id>240</id>
+      <topic reference="8368"/>
+      <period reference="9108"/>
+      <room reference="9159"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9198">
-      <id>15</id>
-      <topic reference="7918"/>
-      <period reference="9118"/>
-      <room reference="9162"/>
+      <id>335</id>
+      <topic reference="8558"/>
+      <period reference="9108"/>
+      <room reference="9159"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9199">
-      <id>16</id>
-      <topic reference="7920"/>
-      <period reference="9119"/>
-      <room reference="9163"/>
+      <id>345</id>
+      <topic reference="8578"/>
+      <period reference="9103"/>
+      <room reference="9158"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9200">
-      <id>17</id>
-      <topic reference="7922"/>
-      <period reference="9120"/>
-      <room reference="9164"/>
+      <id>34</id>
+      <topic reference="7956"/>
+      <period reference="9108"/>
+      <room reference="9159"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9201">
-      <id>18</id>
-      <topic reference="7924"/>
-      <period reference="9121"/>
-      <room reference="9161"/>
+      <id>118</id>
+      <topic reference="8124"/>
+      <period reference="9103"/>
+      <room reference="9159"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9202">
-      <id>19</id>
-      <topic reference="7926"/>
-      <period reference="9122"/>
-      <room reference="9162"/>
+      <id>190</id>
+      <topic reference="8268"/>
+      <period reference="9103"/>
+      <room reference="9163"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9203">
-      <id>20</id>
-      <topic reference="7928"/>
-      <period reference="9123"/>
-      <room reference="9163"/>
+      <id>203</id>
+      <topic reference="8294"/>
+      <period reference="9103"/>
+      <room reference="9159"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9204">
-      <id>21</id>
-      <topic reference="7930"/>
-      <period reference="9124"/>
-      <room reference="9164"/>
+      <id>205</id>
+      <topic reference="8298"/>
+      <period reference="9108"/>
+      <room reference="9159"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9205">
-      <id>22</id>
-      <topic reference="7932"/>
-      <period reference="9125"/>
-      <room reference="9162"/>
+      <id>272</id>
+      <topic reference="8432"/>
+      <period reference="9103"/>
+      <room reference="9158"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9206">
-      <id>23</id>
-      <topic reference="7934"/>
-      <period reference="9126"/>
-      <room reference="9163"/>
+      <id>314</id>
+      <topic reference="8516"/>
+      <period reference="9108"/>
+      <room reference="9162"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9207">
-      <id>24</id>
-      <topic reference="7936"/>
-      <period reference="9127"/>
-      <room reference="9164"/>
+      <id>338</id>
+      <topic reference="8564"/>
+      <period reference="9113"/>
+      <room reference="9159"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9208">
-      <id>25</id>
-      <topic reference="7938"/>
-      <period reference="9128"/>
-      <room reference="9163"/>
+      <id>343</id>
+      <topic reference="8574"/>
+      <period reference="9113"/>
+      <room reference="9159"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9209">
-      <id>26</id>
-      <topic reference="7940"/>
-      <period reference="9129"/>
+      <id>361</id>
+      <topic reference="8610"/>
+      <period reference="9103"/>
       <room reference="9164"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9210">
-      <id>27</id>
-      <topic reference="7942"/>
-      <period reference="9130"/>
-      <room reference="9164"/>
+      <id>419</id>
+      <topic reference="8726"/>
+      <period reference="9103"/>
+      <room reference="9159"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="9211">
-      <id>28</id>
-      <topic reference="7944"/>
-      <period reference="9131"/>
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+      <topic reference="8092"/>
+      <period reference="9150"/>
+      <room reference="9159"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
   </examList>
 </org.drools.solver.examples.itc2007.examination.domain.Examination>
\ No newline at end of file

Modified: labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/unsolved/exam_comp_set2.xml
===================================================================
--- labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/unsolved/exam_comp_set2.xml	2008-01-06 19:35:13 UTC (rev 17581)
+++ labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/unsolved/exam_comp_set2.xml	2008-01-06 20:43:57 UTC (rev 17582)
@@ -3,6 +3,7 @@
   <institutionalWeighting id="2">
     <twoInARowPenality>15</twoInARowPenality>
     <twoInADayPenality>5</twoInADayPenality>
+    <periodSpreadLength>1</periodSpreadLength>
     <periodSpreadPenality>1</periodSpreadPenality>
     <mixedDurationPenality>25</mixedDurationPenality>
     <frontLoadLargeTopicSize>250</frontLoadLargeTopicSize>
@@ -81617,5224 +81618,5224 @@
   </roomHardConstraintList>
   <examList id="14340">
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14341">
-      <id>0</id>
-      <topic reference="12489"/>
+      <id>46</id>
+      <topic reference="12581"/>
       <period reference="14230"/>
       <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14342">
-      <id>1</id>
-      <topic reference="12491"/>
-      <period reference="14231"/>
+      <id>54</id>
+      <topic reference="12597"/>
+      <period reference="14230"/>
       <room reference="14272"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14343">
-      <id>2</id>
-      <topic reference="12493"/>
-      <period reference="14232"/>
-      <room reference="14273"/>
+      <id>111</id>
+      <topic reference="12711"/>
+      <period reference="14230"/>
+      <room reference="14272"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14344">
-      <id>3</id>
-      <topic reference="12495"/>
-      <period reference="14233"/>
-      <room reference="14274"/>
+      <id>126</id>
+      <topic reference="12741"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14345">
-      <id>4</id>
-      <topic reference="12497"/>
-      <period reference="14234"/>
-      <room reference="14275"/>
+      <id>143</id>
+      <topic reference="12775"/>
+      <period reference="14230"/>
+      <room reference="14272"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14346">
-      <id>5</id>
-      <topic reference="12499"/>
-      <period reference="14235"/>
-      <room reference="14276"/>
+      <id>179</id>
+      <topic reference="12847"/>
+      <period reference="14230"/>
+      <room reference="14272"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14347">
-      <id>6</id>
-      <topic reference="12501"/>
-      <period reference="14236"/>
-      <room reference="14277"/>
+      <id>210</id>
+      <topic reference="12909"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14348">
-      <id>7</id>
-      <topic reference="12503"/>
-      <period reference="14237"/>
-      <room reference="14278"/>
+      <id>211</id>
+      <topic reference="12911"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14349">
-      <id>8</id>
-      <topic reference="12505"/>
-      <period reference="14238"/>
-      <room reference="14279"/>
+      <id>222</id>
+      <topic reference="12933"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14350">
-      <id>9</id>
-      <topic reference="12507"/>
-      <period reference="14239"/>
-      <room reference="14280"/>
+      <id>239</id>
+      <topic reference="12967"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14351">
-      <id>10</id>
-      <topic reference="12509"/>
-      <period reference="14240"/>
-      <room reference="14281"/>
+      <id>247</id>
+      <topic reference="12983"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14352">
-      <id>11</id>
-      <topic reference="12511"/>
-      <period reference="14241"/>
-      <room reference="14282"/>
+      <id>258</id>
+      <topic reference="13005"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14353">
-      <id>12</id>
-      <topic reference="12513"/>
-      <period reference="14242"/>
-      <room reference="14283"/>
+      <id>298</id>
+      <topic reference="13085"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14354">
-      <id>13</id>
-      <topic reference="12515"/>
-      <period reference="14243"/>
-      <room reference="14284"/>
+      <id>365</id>
+      <topic reference="13219"/>
+      <period reference="14230"/>
+      <room reference="14272"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14355">
-      <id>14</id>
-      <topic reference="12517"/>
-      <period reference="14244"/>
-      <room reference="14285"/>
+      <id>371</id>
+      <topic reference="13231"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14356">
-      <id>15</id>
-      <topic reference="12519"/>
-      <period reference="14245"/>
-      <room reference="14286"/>
+      <id>386</id>
+      <topic reference="13261"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14357">
-      <id>16</id>
-      <topic reference="12521"/>
-      <period reference="14246"/>
-      <room reference="14287"/>
+      <id>387</id>
+      <topic reference="13263"/>
+      <period reference="14234"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14358">
-      <id>17</id>
-      <topic reference="12523"/>
-      <period reference="14247"/>
-      <room reference="14288"/>
+      <id>423</id>
+      <topic reference="13335"/>
+      <period reference="14230"/>
+      <room reference="14272"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14359">
-      <id>18</id>
-      <topic reference="12525"/>
-      <period reference="14248"/>
-      <room reference="14289"/>
+      <id>479</id>
+      <topic reference="13447"/>
+      <period reference="14230"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14360">
-      <id>19</id>
-      <topic reference="12527"/>
-      <period reference="14249"/>
-      <room reference="14290"/>
+      <id>491</id>
+      <topic reference="13471"/>
+      <period reference="14230"/>
+      <room reference="14272"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14361">
-      <id>20</id>
-      <topic reference="12529"/>
-      <period reference="14250"/>
-      <room reference="14291"/>
+      <id>492</id>
+      <topic reference="13473"/>
+      <period reference="14235"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14362">
-      <id>21</id>
-      <topic reference="12531"/>
-      <period reference="14251"/>
-      <room reference="14292"/>
+      <id>497</id>
+      <topic reference="13483"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14363">
-      <id>22</id>
-      <topic reference="12533"/>
-      <period reference="14252"/>
-      <room reference="14293"/>
+      <id>501</id>
+      <topic reference="13491"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14364">
-      <id>23</id>
-      <topic reference="12535"/>
-      <period reference="14253"/>
-      <room reference="14294"/>
+      <id>502</id>
+      <topic reference="13493"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14365">
-      <id>24</id>
-      <topic reference="12537"/>
-      <period reference="14254"/>
-      <room reference="14295"/>
+      <id>515</id>
+      <topic reference="13519"/>
+      <period reference="14230"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14366">
-      <id>25</id>
-      <topic reference="12539"/>
-      <period reference="14255"/>
-      <room reference="14296"/>
+      <id>594</id>
+      <topic reference="13677"/>
+      <period reference="14230"/>
+      <room reference="14274"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14367">
-      <id>26</id>
-      <topic reference="12541"/>
-      <period reference="14256"/>
-      <room reference="14297"/>
+      <id>605</id>
+      <topic reference="13699"/>
+      <period reference="14230"/>
+      <room reference="14274"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14368">
-      <id>27</id>
-      <topic reference="12543"/>
-      <period reference="14257"/>
-      <room reference="14298"/>
+      <id>628</id>
+      <topic reference="13745"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14369">
-      <id>28</id>
-      <topic reference="12545"/>
-      <period reference="14258"/>
-      <room reference="14299"/>
+      <id>667</id>
+      <topic reference="13823"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14370">
-      <id>29</id>
-      <topic reference="12547"/>
-      <period reference="14259"/>
-      <room reference="14300"/>
+      <id>670</id>
+      <topic reference="13829"/>
+      <period reference="14230"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14371">
-      <id>30</id>
-      <topic reference="12549"/>
-      <period reference="14260"/>
-      <room reference="14301"/>
+      <id>675</id>
+      <topic reference="13839"/>
+      <period reference="14230"/>
+      <room reference="14272"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14372">
-      <id>31</id>
-      <topic reference="12551"/>
-      <period reference="14261"/>
-      <room reference="14302"/>
+      <id>691</id>
+      <topic reference="13871"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14373">
-      <id>32</id>
-      <topic reference="12553"/>
-      <period reference="14262"/>
-      <room reference="14303"/>
+      <id>720</id>
+      <topic reference="13929"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14374">
-      <id>33</id>
-      <topic reference="12555"/>
-      <period reference="14263"/>
-      <room reference="14304"/>
+      <id>726</id>
+      <topic reference="13941"/>
+      <period reference="14230"/>
+      <room reference="14274"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14375">
-      <id>34</id>
-      <topic reference="12557"/>
-      <period reference="14264"/>
-      <room reference="14305"/>
+      <id>743</id>
+      <topic reference="13975"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14376">
-      <id>35</id>
-      <topic reference="12559"/>
-      <period reference="14265"/>
-      <room reference="14306"/>
+      <id>747</id>
+      <topic reference="13983"/>
+      <period reference="14230"/>
+      <room reference="14272"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14377">
-      <id>36</id>
-      <topic reference="12561"/>
-      <period reference="14266"/>
-      <room reference="14307"/>
+      <id>841</id>
+      <topic reference="14171"/>
+      <period reference="14230"/>
+      <room reference="14272"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14378">
-      <id>37</id>
-      <topic reference="12563"/>
-      <period reference="14267"/>
-      <room reference="14308"/>
+      <id>847</id>
+      <topic reference="14183"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14379">
-      <id>38</id>
-      <topic reference="12565"/>
-      <period reference="14268"/>
-      <room reference="14309"/>
+      <id>852</id>
+      <topic reference="14193"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14380">
-      <id>39</id>
-      <topic reference="12567"/>
-      <period reference="14269"/>
-      <room reference="14310"/>
+      <id>856</id>
+      <topic reference="14201"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14381">
-      <id>40</id>
-      <topic reference="12569"/>
-      <period reference="14230"/>
-      <room reference="14311"/>
+      <id>857</id>
+      <topic reference="14203"/>
+      <period reference="14234"/>
+      <room reference="14272"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14382">
-      <id>41</id>
-      <topic reference="12571"/>
-      <period reference="14231"/>
-      <room reference="14312"/>
+      <id>863</id>
+      <topic reference="14215"/>
+      <period reference="14230"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14383">
-      <id>42</id>
-      <topic reference="12573"/>
-      <period reference="14232"/>
-      <room reference="14313"/>
+      <id>91</id>
+      <topic reference="12671"/>
+      <period reference="14230"/>
+      <room reference="14272"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14384">
-      <id>43</id>
-      <topic reference="12575"/>
-      <period reference="14233"/>
-      <room reference="14314"/>
+      <id>155</id>
+      <topic reference="12799"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14385">
-      <id>44</id>
-      <topic reference="12577"/>
-      <period reference="14234"/>
-      <room reference="14315"/>
+      <id>212</id>
+      <topic reference="12913"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14386">
-      <id>45</id>
-      <topic reference="12579"/>
-      <period reference="14235"/>
-      <room reference="14316"/>
+      <id>237</id>
+      <topic reference="12963"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14387">
-      <id>46</id>
-      <topic reference="12581"/>
-      <period reference="14236"/>
-      <room reference="14317"/>
+      <id>246</id>
+      <topic reference="12981"/>
+      <period reference="14231"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14388">
-      <id>47</id>
-      <topic reference="12583"/>
-      <period reference="14237"/>
-      <room reference="14318"/>
+      <id>277</id>
+      <topic reference="13043"/>
+      <period reference="14230"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14389">
-      <id>48</id>
-      <topic reference="12585"/>
-      <period reference="14238"/>
-      <room reference="14319"/>
+      <id>284</id>
+      <topic reference="13057"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14390">
-      <id>49</id>
-      <topic reference="12587"/>
-      <period reference="14239"/>
-      <room reference="14272"/>
+      <id>304</id>
+      <topic reference="13097"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14391">
-      <id>50</id>
-      <topic reference="12589"/>
-      <period reference="14240"/>
+      <id>337</id>
+      <topic reference="13163"/>
+      <period reference="14230"/>
       <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14392">
-      <id>51</id>
-      <topic reference="12591"/>
-      <period reference="14241"/>
-      <room reference="14274"/>
+      <id>392</id>
+      <topic reference="13273"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14393">
-      <id>52</id>
-      <topic reference="12593"/>
-      <period reference="14242"/>
-      <room reference="14275"/>
+      <id>404</id>
+      <topic reference="13297"/>
+      <period reference="14230"/>
+      <room reference="14273"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14394">
-      <id>53</id>
-      <topic reference="12595"/>
-      <period reference="14243"/>
-      <room reference="14276"/>
+      <id>436</id>
+      <topic reference="13361"/>
+      <period reference="14234"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="14395">
-      <id>54</id>
-      <topic reference="12597"/>
-      <period reference="14244"/>
-      <room reference="14277"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15201">
-      <id>860</id>
-      <topic reference="14209"/>
-      <period reference="14250"/>
-      <room reference="14306"/>
+      <id>762</id>
+      <topic reference="14013"/>
+      <period reference="14263"/>
+      <room reference="14302"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15202">
-      <id>861</id>
-      <topic reference="14211"/>
-      <period reference="14251"/>
-      <room reference="14307"/>
+      <id>632</id>
+      <topic reference="13753"/>
+      <period reference="14258"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15203">
-      <id>862</id>
-      <topic reference="14213"/>
-      <period reference="14252"/>
-      <room reference="14308"/>
+      <id>475</id>
+      <topic reference="13439"/>
+      <period reference="14244"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15204">
-      <id>863</id>
-      <topic reference="14215"/>
-      <period reference="14253"/>
-      <room reference="14309"/>
+      <id>478</id>
+      <topic reference="13445"/>
+      <period reference="14261"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15205">
-      <id>864</id>
-      <topic reference="14217"/>
-      <period reference="14254"/>
-      <room reference="14310"/>
+      <id>623</id>
+      <topic reference="13735"/>
+      <period reference="14264"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15206">
-      <id>865</id>
-      <topic reference="14219"/>
-      <period reference="14255"/>
-      <room reference="14311"/>
+      <id>16</id>
+      <topic reference="12521"/>
+      <period reference="14268"/>
+      <room reference="14302"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15207">
-      <id>866</id>
-      <topic reference="14221"/>
-      <period reference="14256"/>
-      <room reference="14312"/>
+      <id>477</id>
+      <topic reference="13443"/>
+      <period reference="14258"/>
+      <room reference="14302"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15208">
-      <id>867</id>
-      <topic reference="14223"/>
-      <period reference="14257"/>
-      <room reference="14313"/>
+      <id>622</id>
+      <topic reference="13733"/>
+      <period reference="14266"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15209">
-      <id>868</id>
-      <topic reference="14225"/>
-      <period reference="14258"/>
-      <room reference="14314"/>
+      <id>136</id>
+      <topic reference="12761"/>
+      <period reference="14262"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="15210">
-      <id>869</id>
-      <topic reference="14227"/>
-      <period reference="14259"/>
-      <room reference="14315"/>
+      <id>120</id>
+      <topic reference="12729"/>
+      <period reference="14269"/>
+      <room reference="14271"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
   </examList>
 </org.drools.solver.examples.itc2007.examination.domain.Examination>
\ No newline at end of file

Modified: labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/unsolved/exam_comp_set3.xml
===================================================================
--- labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/unsolved/exam_comp_set3.xml	2008-01-06 19:35:13 UTC (rev 17581)
+++ labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/unsolved/exam_comp_set3.xml	2008-01-06 20:43:57 UTC (rev 17582)
@@ -3,7 +3,8 @@
   <institutionalWeighting id="2">
     <twoInARowPenality>15</twoInARowPenality>
     <twoInADayPenality>10</twoInADayPenality>
-    <periodSpreadPenality>4</periodSpreadPenality>
+    <periodSpreadLength>4</periodSpreadLength>
+    <periodSpreadPenality>1</periodSpreadPenality>
     <mixedDurationPenality>20</mixedDurationPenality>
     <frontLoadLargeTopicSize>200</frontLoadLargeTopicSize>
     <frontLoadLastPeriodSize>20</frontLoadLastPeriodSize>
@@ -118280,5608 +118281,5608 @@
   </roomHardConstraintList>
   <examList id="18515">
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18516">
-      <id>0</id>
-      <topic reference="16370"/>
+      <id>62</id>
+      <topic reference="16494"/>
       <period reference="18239"/>
       <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18517">
-      <id>1</id>
-      <topic reference="16372"/>
-      <period reference="18240"/>
-      <room reference="18277"/>
+      <id>63</id>
+      <topic reference="16496"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18518">
-      <id>2</id>
-      <topic reference="16374"/>
-      <period reference="18241"/>
-      <room reference="18278"/>
+      <id>68</id>
+      <topic reference="16506"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18519">
-      <id>3</id>
-      <topic reference="16376"/>
-      <period reference="18242"/>
-      <room reference="18279"/>
+      <id>134</id>
+      <topic reference="16638"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18520">
-      <id>4</id>
-      <topic reference="16378"/>
-      <period reference="18243"/>
-      <room reference="18280"/>
+      <id>155</id>
+      <topic reference="16680"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18521">
-      <id>5</id>
-      <topic reference="16380"/>
-      <period reference="18244"/>
-      <room reference="18281"/>
+      <id>178</id>
+      <topic reference="16726"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18522">
-      <id>6</id>
-      <topic reference="16382"/>
-      <period reference="18245"/>
-      <room reference="18282"/>
+      <id>240</id>
+      <topic reference="16850"/>
+      <period reference="18239"/>
+      <room reference="18277"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18523">
-      <id>7</id>
-      <topic reference="16384"/>
-      <period reference="18246"/>
-      <room reference="18283"/>
+      <id>244</id>
+      <topic reference="16858"/>
+      <period reference="18239"/>
+      <room reference="18278"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18524">
-      <id>8</id>
-      <topic reference="16386"/>
-      <period reference="18247"/>
-      <room reference="18284"/>
+      <id>248</id>
+      <topic reference="16866"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18525">
-      <id>9</id>
-      <topic reference="16388"/>
-      <period reference="18248"/>
-      <room reference="18285"/>
+      <id>249</id>
+      <topic reference="16868"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18526">
-      <id>10</id>
-      <topic reference="16390"/>
-      <period reference="18249"/>
-      <room reference="18286"/>
+      <id>251</id>
+      <topic reference="16872"/>
+      <period reference="18243"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18527">
-      <id>11</id>
-      <topic reference="16392"/>
-      <period reference="18250"/>
-      <room reference="18287"/>
+      <id>252</id>
+      <topic reference="16874"/>
+      <period reference="18247"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18528">
-      <id>12</id>
-      <topic reference="16394"/>
-      <period reference="18251"/>
-      <room reference="18288"/>
+      <id>253</id>
+      <topic reference="16876"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18529">
-      <id>13</id>
-      <topic reference="16396"/>
-      <period reference="18252"/>
-      <room reference="18289"/>
+      <id>254</id>
+      <topic reference="16878"/>
+      <period reference="18251"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18530">
-      <id>14</id>
-      <topic reference="16398"/>
-      <period reference="18253"/>
-      <room reference="18290"/>
+      <id>270</id>
+      <topic reference="16910"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18531">
-      <id>15</id>
-      <topic reference="16400"/>
-      <period reference="18254"/>
-      <room reference="18291"/>
+      <id>303</id>
+      <topic reference="16976"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18532">
-      <id>16</id>
-      <topic reference="16402"/>
-      <period reference="18255"/>
-      <room reference="18292"/>
+      <id>307</id>
+      <topic reference="16984"/>
+      <period reference="18239"/>
+      <room reference="18279"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18533">
-      <id>17</id>
-      <topic reference="16404"/>
-      <period reference="18256"/>
-      <room reference="18293"/>
+      <id>310</id>
+      <topic reference="16990"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18534">
-      <id>18</id>
-      <topic reference="16406"/>
-      <period reference="18257"/>
-      <room reference="18294"/>
+      <id>311</id>
+      <topic reference="16992"/>
+      <period reference="18243"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18535">
-      <id>19</id>
-      <topic reference="16408"/>
-      <period reference="18258"/>
-      <room reference="18295"/>
+      <id>343</id>
+      <topic reference="17056"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18536">
-      <id>20</id>
-      <topic reference="16410"/>
-      <period reference="18259"/>
-      <room reference="18296"/>
+      <id>344</id>
+      <topic reference="17058"/>
+      <period reference="18243"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18537">
-      <id>21</id>
-      <topic reference="16412"/>
-      <period reference="18260"/>
-      <room reference="18297"/>
+      <id>359</id>
+      <topic reference="17088"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18538">
-      <id>22</id>
-      <topic reference="16414"/>
-      <period reference="18261"/>
-      <room reference="18298"/>
+      <id>371</id>
+      <topic reference="17112"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18539">
-      <id>23</id>
-      <topic reference="16416"/>
-      <period reference="18262"/>
-      <room reference="18299"/>
+      <id>372</id>
+      <topic reference="17114"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18540">
-      <id>24</id>
-      <topic reference="16418"/>
-      <period reference="18263"/>
-      <room reference="18300"/>
+      <id>386</id>
+      <topic reference="17142"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18541">
-      <id>25</id>
-      <topic reference="16420"/>
-      <period reference="18264"/>
-      <room reference="18301"/>
+      <id>389</id>
+      <topic reference="17148"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18542">
-      <id>26</id>
-      <topic reference="16422"/>
-      <period reference="18265"/>
-      <room reference="18302"/>
+      <id>390</id>
+      <topic reference="17150"/>
+      <period reference="18243"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18543">
-      <id>27</id>
-      <topic reference="16424"/>
-      <period reference="18266"/>
-      <room reference="18303"/>
+      <id>391</id>
+      <topic reference="17152"/>
+      <period reference="18247"/>
+      <room reference="18277"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18544">
-      <id>28</id>
-      <topic reference="16426"/>
-      <period reference="18267"/>
-      <room reference="18304"/>
+      <id>412</id>
+      <topic reference="17194"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18545">
-      <id>29</id>
-      <topic reference="16428"/>
-      <period reference="18268"/>
-      <room reference="18305"/>
+      <id>530</id>
+      <topic reference="17430"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18546">
-      <id>30</id>
-      <topic reference="16430"/>
-      <period reference="18269"/>
-      <room reference="18306"/>
+      <id>577</id>
+      <topic reference="17524"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18547">
-      <id>31</id>
-      <topic reference="16432"/>
-      <period reference="18270"/>
-      <room reference="18307"/>
+      <id>592</id>
+      <topic reference="17554"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18548">
-      <id>32</id>
-      <topic reference="16434"/>
-      <period reference="18271"/>
-      <room reference="18308"/>
+      <id>595</id>
+      <topic reference="17560"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18549">
-      <id>33</id>
-      <topic reference="16436"/>
-      <period reference="18272"/>
-      <room reference="18309"/>
+      <id>602</id>
+      <topic reference="17574"/>
+      <period reference="18243"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18550">
-      <id>34</id>
-      <topic reference="16438"/>
-      <period reference="18273"/>
-      <room reference="18310"/>
+      <id>606</id>
+      <topic reference="17582"/>
+      <period reference="18239"/>
+      <room reference="18279"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18551">
-      <id>35</id>
-      <topic reference="16440"/>
-      <period reference="18274"/>
-      <room reference="18311"/>
+      <id>609</id>
+      <topic reference="17588"/>
+      <period reference="18239"/>
+      <room reference="18279"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18552">
-      <id>36</id>
-      <topic reference="16442"/>
+      <id>642</id>
+      <topic reference="17654"/>
       <period reference="18239"/>
-      <room reference="18312"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18553">
-      <id>37</id>
-      <topic reference="16444"/>
-      <period reference="18240"/>
-      <room reference="18313"/>
+      <id>672</id>
+      <topic reference="17714"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18554">
-      <id>38</id>
-      <topic reference="16446"/>
-      <period reference="18241"/>
-      <room reference="18314"/>
+      <id>675</id>
+      <topic reference="17720"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18555">
-      <id>39</id>
-      <topic reference="16448"/>
-      <period reference="18242"/>
-      <room reference="18315"/>
+      <id>677</id>
+      <topic reference="17724"/>
+      <period reference="18243"/>
+      <room reference="18277"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18556">
-      <id>40</id>
-      <topic reference="16450"/>
-      <period reference="18243"/>
-      <room reference="18316"/>
+      <id>703</id>
+      <topic reference="17776"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18557">
-      <id>41</id>
-      <topic reference="16452"/>
-      <period reference="18244"/>
-      <room reference="18317"/>
+      <id>735</id>
+      <topic reference="17840"/>
+      <period reference="18239"/>
+      <room reference="18276"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18558">
-      <id>42</id>
-      <topic reference="16454"/>
-      <period reference="18245"/>
-      <room reference="18318"/>
+      <id>736</id>
+      <topic reference="17842"/>
+      <period reference="18239"/>
+      <room reference="18279"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18559">
-      <id>43</id>
-      <topic reference="16456"/>
-      <period reference="18246"/>
-      <room reference="18319"/>
+      <id>748</id>
+      <topic reference="17866"/>
+      <period reference="18239"/>
+      <room reference="18279"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="18560">
-      <id>44</id>
-      <topic reference="16458"/>
-      <period reference="18247"/>
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     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19432">
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19433">
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
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+      <period reference="18271"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19435">
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19436">
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19437">
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+      <period reference="18267"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19438">
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+      <period reference="18265"/>
+      <room reference="18313"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19439">
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+      <period reference="18272"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19440">
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       <period reference="18263"/>
-      <room reference="18303"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19441">
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+      <period reference="18242"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
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+      <period reference="18257"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19443">
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+      <period reference="18258"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19444">
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+      <period reference="18270"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19445">
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-      <room reference="18308"/>
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19446">
-      <id>930</id>
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19448">
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     </org.drools.solver.examples.itc2007.examination.domain.Exam>
     <org.drools.solver.examples.itc2007.examination.domain.Exam id="19449">
-      <id>933</id>
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+      <topic reference="17658"/>
+      <period reference="18254"/>
+      <room reference="18278"/>
     </org.drools.solver.examples.itc2007.examination.domain.Exam>
   </examList>
 </org.drools.solver.examples.itc2007.examination.domain.Examination>
\ No newline at end of file

Modified: labs/jbossrules/trunk/drools-solver/drools-solver-examples/data/itc2007/examination/unsolved/exam_comp_set4.xml
===================================================================