diff --git a/projet.use b/projet.use
index 6ce5242..ae7ebdb 100644
--- a/projet.use
+++ b/projet.use
@@ -65,6 +65,8 @@ operations
 constraints
     inv:
         plateau.cases->select(c: Case | c.x = x and c.y = y)->size() = 1
+    inv:
+        coordonne: x <= 10 and x > 0 and y > 0 and y <= 10
 end
 
 class Bateau
diff --git a/projet_default.clt b/projet_default.clt
index c1e9334..3b9328c 100644
--- a/projet_default.clt
+++ b/projet_default.clt
@@ -4,7 +4,7 @@
         <antialiasing>false</antialiasing>
         <showassocnames>false</showassocnames>
         <showattributes>true</showattributes>
-        <showmultiplicities>true</showmultiplicities>
+        <showmultiplicities>false</showmultiplicities>
         <showoperations>false</showoperations>
         <showrolenames>true</showrolenames>
         <showgrid>false</showgrid>
@@ -12,88 +12,88 @@
     <node id="Plateau" sizeCalculated="true" type="Class">
         <name>Plateau</name>
         <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyFixed">
-            <x>566.0</x>
-            <y>36.0</y>
+            <x>300.0</x>
+            <y>285.0</y>
         </strategy>
         <hidden>false</hidden>
     </node>
     <node id="Flotte" sizeCalculated="true" type="Class">
         <name>Flotte</name>
         <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyFixed">
-            <x>379.0</x>
-            <y>420.0</y>
+            <x>201.0</x>
+            <y>365.0</y>
         </strategy>
         <hidden>false</hidden>
     </node>
     <node id="Coup" sizeCalculated="true" type="Class">
         <name>Coup</name>
         <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyFixed">
-            <x>528.0</x>
-            <y>282.0</y>
+            <x>211.0</x>
+            <y>48.0</y>
         </strategy>
         <hidden>false</hidden>
     </node>
     <node id="Bateau" sizeCalculated="true" type="Class">
         <name>Bateau</name>
         <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyFixed">
-            <x>709.0</x>
-            <y>396.0</y>
+            <x>396.0</x>
+            <y>371.0</y>
         </strategy>
         <hidden>false</hidden>
     </node>
     <node id="Jeu" sizeCalculated="true" type="Class">
         <name>Jeu</name>
         <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyFixed">
-            <x>155.0</x>
-            <y>242.0</y>
+            <x>33.0</x>
+            <y>90.0</y>
         </strategy>
         <hidden>false</hidden>
     </node>
     <node id="Joueur" sizeCalculated="true" type="Class">
         <name>Joueur</name>
         <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyFixed">
-            <x>318.0</x>
-            <y>211.0</y>
+            <x>97.0</x>
+            <y>216.0</y>
         </strategy>
         <hidden>false</hidden>
     </node>
     <node id="Case" sizeCalculated="true" type="Class">
         <name>Case</name>
         <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyFixed">
-            <x>734.0</x>
-            <y>166.0</y>
+            <x>457.0</x>
+            <y>190.0</y>
         </strategy>
         <hidden>false</hidden>
     </node>
     <node id="TypeCoup" sizeCalculated="true" type="Enumeration">
         <name>TypeCoup</name>
         <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyFixed">
-            <x>876.0</x>
-            <y>311.0</y>
+            <x>690.0</x>
+            <y>16.0</y>
         </strategy>
         <hidden>false</hidden>
     </node>
     <node id="TypeCase" sizeCalculated="true" type="Enumeration">
         <name>TypeCase</name>
         <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyFixed">
-            <x>874.0</x>
-            <y>76.0</y>
+            <x>705.0</x>
+            <y>362.0</y>
         </strategy>
         <hidden>false</hidden>
     </node>
     <node id="EtatBateau" sizeCalculated="true" type="Enumeration">
         <name>EtatBateau</name>
         <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyFixed">
-            <x>875.0</x>
-            <y>411.0</y>
+            <x>704.0</x>
+            <y>278.0</y>
         </strategy>
         <hidden>false</hidden>
     </node>
     <node id="TypeBateau" sizeCalculated="true" type="Enumeration">
         <name>TypeBateau</name>
         <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyFixed">
-            <x>877.0</x>
-            <y>192.0</y>
+            <x>705.0</x>
+            <y>137.0</y>
         </strategy>
         <hidden>false</hidden>
     </node>
@@ -102,6 +102,30 @@
         <target>Bateau</target>
         <name>Repartit</name>
         <properties>
+            <edgeproperty id="Repartit::target::multiplicity" sizeCalculated="true" type="multiplicity" userDefined="false" visible="true">
+                <name>2..5</name>
+                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
+                    <userOffsetX>0.0</userOffsetX>
+                    <userOffsetY>0.0</userOffsetY>
+                    <attached>Repartit::WayPoint::1</attached>
+                    <offset_x>8</offset_x>
+                    <offset_y>8</offset_y>
+                    <placement>BOTTOM</placement>
+                </strategy>
+                <hidden>false</hidden>
+            </edgeproperty>
+            <edgeproperty id="Repartit::target::rolename" sizeCalculated="true" type="rolename" userDefined="false" visible="true">
+                <name>bateau</name>
+                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
+                    <userOffsetX>0.0</userOffsetX>
+                    <userOffsetY>0.0</userOffsetY>
+                    <attached>Repartit::WayPoint::1</attached>
+                    <offset_x>8</offset_x>
+                    <offset_y>8</offset_y>
+                    <placement>TOP</placement>
+                </strategy>
+                <hidden>false</hidden>
+            </edgeproperty>
             <edgeproperty id="Repartit::AssociationName" sizeCalculated="true" type="associationName" userDefined="false" visible="true">
                 <name>Repartit</name>
                 <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyInBetween">
@@ -116,35 +140,11 @@
                 </strategy>
                 <hidden>false</hidden>
             </edgeproperty>
-            <edgeproperty id="Repartit::target::rolename" sizeCalculated="true" type="rolename" userDefined="true" visible="true">
-                <name>bateau</name>
-                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
-                    <userOffsetX>-7.0</userOffsetX>
-                    <userOffsetY>-33.0</userOffsetY>
-                    <attached>Repartit::WayPoint::1</attached>
-                    <offset_x>8</offset_x>
-                    <offset_y>8</offset_y>
-                    <placement>TOP</placement>
-                </strategy>
-                <hidden>false</hidden>
-            </edgeproperty>
-            <edgeproperty id="Repartit::target::multiplicity" sizeCalculated="true" type="multiplicity" userDefined="false" visible="true">
-                <name>2..5</name>
+            <edgeproperty id="Repartit::source::rolename" sizeCalculated="true" type="rolename" userDefined="false" visible="true">
+                <name>cases</name>
                 <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
                     <userOffsetX>0.0</userOffsetX>
                     <userOffsetY>0.0</userOffsetY>
-                    <attached>Repartit::WayPoint::1</attached>
-                    <offset_x>8</offset_x>
-                    <offset_y>8</offset_y>
-                    <placement>BOTTOM</placement>
-                </strategy>
-                <hidden>false</hidden>
-            </edgeproperty>
-            <edgeproperty id="Repartit::source::rolename" sizeCalculated="true" type="rolename" userDefined="true" visible="true">
-                <name>cases</name>
-                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
-                    <userOffsetX>3.0</userOffsetX>
-                    <userOffsetY>24.0</userOffsetY>
                     <attached>Repartit::WayPoint::0</attached>
                     <offset_x>8</offset_x>
                     <offset_y>8</offset_y>
@@ -194,20 +194,6 @@
         <target>Plateau</target>
         <name>Compose</name>
         <properties>
-            <edgeproperty id="Compose::AssociationName" sizeCalculated="true" type="associationName" userDefined="false" visible="true">
-                <name>Compose</name>
-                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyInBetween">
-                    <userOffsetX>0.0</userOffsetX>
-                    <userOffsetY>0.0</userOffsetY>
-                    <offsetX>0.0</offsetX>
-                    <offsetY>-10.0</offsetY>
-                    <related length="2">
-                        <related0>Compose::WayPoint::0</related0>
-                        <related1>Compose::WayPoint::1</related1>
-                    </related>
-                </strategy>
-                <hidden>false</hidden>
-            </edgeproperty>
             <edgeproperty id="Compose::target::multiplicity" sizeCalculated="true" type="multiplicity" userDefined="false" visible="true">
                 <name>1</name>
                 <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
@@ -220,14 +206,29 @@
                 </strategy>
                 <hidden>false</hidden>
             </edgeproperty>
-            <edgeproperty id="Compose::target::rolename" sizeCalculated="true" type="rolename" userDefined="true" visible="true">
-                <name>plateau</name>
+
                 <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
-                    <userOffsetX>69.0</userOffsetX>
-                    <userOffsetY>-24.0</userOffsetY>
+                    <userOffsetX>0.0</userOffsetX>
+                    <userOffsetY>0.0</userOffsetY>
                     <attached>Compose::WayPoint::1</attached>
                     <offset_x>8</offset_x>
                     <offset_y>8</offset_y>
+                    <placement>BOTTOM</placement>
+                </strategy>
+                <hidden>false</hidden>
+            </edgeproperty>
+
+                </strategy>
+                <hidden>false</hidden>
+            </edgeproperty>
+            <edgeproperty id="Compose::source::rolename" sizeCalculated="true" type="rolename" userDefined="false" visible="true">
+                <name>cases</name>
+                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
+                    <userOffsetX>0.0</userOffsetX>
+                    <userOffsetY>0.0</userOffsetY>
+                    <attached>Compose::WayPoint::0</attached>
+                    <offset_x>8</offset_x>
+                    <offset_y>8</offset_y>
                     <placement>TOP</placement>
                 </strategy>
                 <hidden>false</hidden>
@@ -244,18 +245,6 @@
                 </strategy>
                 <hidden>false</hidden>
             </edgeproperty>
-            <edgeproperty id="Compose::source::rolename" sizeCalculated="true" type="rolename" userDefined="true" visible="true">
-                <name>cases</name>
-                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
-                    <userOffsetX>45.0</userOffsetX>
-                    <userOffsetY>-21.0</userOffsetY>
-                    <attached>Compose::WayPoint::0</attached>
-                    <offset_x>8</offset_x>
-                    <offset_y>8</offset_y>
-                    <placement>TOP</placement>
-                </strategy>
-                <hidden>false</hidden>
-            </edgeproperty>
         </properties>
         <waypoints>
             <edgeproperty id="Compose::WayPoint::0" sizeCalculated="true" type="WayPoint" userDefined="false" visible="true">
@@ -286,22 +275,7 @@
         <target>Coup</target>
         <name>Etat</name>
         <properties>
-            <edgeproperty id="Etat::AssociationName" sizeCalculated="true" type="associationName" userDefined="false" visible="true">
-                <name>Etat</name>
-                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyInBetween">
-                    <userOffsetX>0.0</userOffsetX>
-                    <userOffsetY>0.0</userOffsetY>
-                    <offsetX>0.0</offsetX>
-                    <offsetY>-10.0</offsetY>
-                    <related length="2">
-                        <related0>Etat::WayPoint::0</related0>
-                        <related1>Etat::WayPoint::1</related1>
-                    </related>
-                </strategy>
-                <hidden>false</hidden>
-            </edgeproperty>
-            <edgeproperty id="Etat::target::multiplicity" sizeCalculated="true" type="multiplicity" userDefined="false" visible="true">
-                <name>1</name>
+
                 <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
                     <userOffsetX>0.0</userOffsetX>
                     <userOffsetY>0.0</userOffsetY>
@@ -324,11 +298,25 @@
                 </strategy>
                 <hidden>false</hidden>
             </edgeproperty>
-            <edgeproperty id="Etat::source::rolename" sizeCalculated="true" type="rolename" userDefined="true" visible="true">
+            <edgeproperty id="Etat::AssociationName" sizeCalculated="true" type="associationName" userDefined="false" visible="true">
+                <name>Etat</name>
+                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyInBetween">
+                    <userOffsetX>0.0</userOffsetX>
+                    <userOffsetY>0.0</userOffsetY>
+                    <offsetX>0.0</offsetX>
+                    <offsetY>-10.0</offsetY>
+                    <related length="2">
+                        <related0>Etat::WayPoint::0</related0>
+                        <related1>Etat::WayPoint::1</related1>
+                    </related>
+                </strategy>
+                <hidden>false</hidden>
+            </edgeproperty>
+            <edgeproperty id="Etat::source::rolename" sizeCalculated="true" type="rolename" userDefined="false" visible="true">
                 <name>case</name>
                 <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
-                    <userOffsetX>-13.0</userOffsetX>
-                    <userOffsetY>-12.0</userOffsetY>
+                    <userOffsetX>0.0</userOffsetX>
+                    <userOffsetY>0.0</userOffsetY>
                     <attached>Etat::WayPoint::0</attached>
                     <offset_x>8</offset_x>
                     <offset_y>8</offset_y>
@@ -378,22 +366,7 @@
         <target>Flotte</target>
         <name>Appartient</name>
         <properties>
-            <edgeproperty id="Appartient::AssociationName" sizeCalculated="true" type="associationName" userDefined="false" visible="true">
-                <name>Appartient</name>
-                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyInBetween">
-                    <userOffsetX>0.0</userOffsetX>
-                    <userOffsetY>0.0</userOffsetY>
-                    <offsetX>0.0</offsetX>
-                    <offsetY>-10.0</offsetY>
-                    <related length="2">
-                        <related0>Appartient::WayPoint::0</related0>
-                        <related1>Appartient::WayPoint::1</related1>
-                    </related>
-                </strategy>
-                <hidden>false</hidden>
-            </edgeproperty>
-            <edgeproperty id="Appartient::target::multiplicity" sizeCalculated="true" type="multiplicity" userDefined="false" visible="true">
-                <name>1</name>
+
                 <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
                     <userOffsetX>0.0</userOffsetX>
                     <userOffsetY>0.0</userOffsetY>
@@ -416,15 +389,17 @@
                 </strategy>
                 <hidden>false</hidden>
             </edgeproperty>
-            <edgeproperty id="Appartient::source::rolename" sizeCalculated="true" type="rolename" userDefined="true" visible="true">
-                <name>joueur</name>
-                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
-                    <userOffsetX>51.0</userOffsetX>
-                    <userOffsetY>29.0</userOffsetY>
-                    <attached>Appartient::WayPoint::0</attached>
-                    <offset_x>8</offset_x>
-                    <offset_y>8</offset_y>
-                    <placement>TOP</placement>
+            <edgeproperty id="Appartient::AssociationName" sizeCalculated="true" type="associationName" userDefined="false" visible="true">
+                <name>Appartient</name>
+                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyInBetween">
+                    <userOffsetX>0.0</userOffsetX>
+                    <userOffsetY>0.0</userOffsetY>
+                    <offsetX>0.0</offsetX>
+                    <offsetY>-10.0</offsetY>
+                    <related length="2">
+                        <related0>Appartient::WayPoint::0</related0>
+                        <related1>Appartient::WayPoint::1</related1>
+                    </related>
                 </strategy>
                 <hidden>false</hidden>
             </edgeproperty>
@@ -440,6 +415,18 @@
                 </strategy>
                 <hidden>false</hidden>
             </edgeproperty>
+            <edgeproperty id="Appartient::source::rolename" sizeCalculated="true" type="rolename" userDefined="false" visible="true">
+                <name>joueur</name>
+                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
+                    <userOffsetX>0.0</userOffsetX>
+                    <userOffsetY>0.0</userOffsetY>
+                    <attached>Appartient::WayPoint::0</attached>
+                    <offset_x>8</offset_x>
+                    <offset_y>8</offset_y>
+                    <placement>TOP</placement>
+                </strategy>
+                <hidden>false</hidden>
+            </edgeproperty>
         </properties>
         <waypoints>
             <edgeproperty id="Appartient::WayPoint::0" sizeCalculated="true" type="WayPoint" userDefined="false" visible="true">
@@ -470,6 +457,30 @@
         <target>Plateau</target>
         <name>Utilise</name>
         <properties>
+            <edgeproperty id="Utilise::target::multiplicity" sizeCalculated="true" type="multiplicity" userDefined="false" visible="true">
+                <name>1</name>
+                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
+                    <userOffsetX>0.0</userOffsetX>
+                    <userOffsetY>0.0</userOffsetY>
+                    <attached>Utilise::WayPoint::1</attached>
+                    <offset_x>8</offset_x>
+                    <offset_y>8</offset_y>
+                    <placement>BOTTOM</placement>
+                </strategy>
+                <hidden>false</hidden>
+            </edgeproperty>
+            <edgeproperty id="Utilise::target::rolename" sizeCalculated="true" type="rolename" userDefined="false" visible="true">
+                <name>plateau</name>
+                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
+                    <userOffsetX>0.0</userOffsetX>
+                    <userOffsetY>0.0</userOffsetY>
+                    <attached>Utilise::WayPoint::1</attached>
+                    <offset_x>8</offset_x>
+                    <offset_y>8</offset_y>
+                    <placement>TOP</placement>
+                </strategy>
+                <hidden>false</hidden>
+            </edgeproperty>
             <edgeproperty id="Utilise::AssociationName" sizeCalculated="true" type="associationName" userDefined="false" visible="true">
                 <name>Utilise</name>
                 <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyInBetween">
@@ -484,32 +495,7 @@
                 </strategy>
                 <hidden>false</hidden>
             </edgeproperty>
-            <edgeproperty id="Utilise::target::rolename" sizeCalculated="true" type="rolename" userDefined="true" visible="true">
-                <name>plateau</name>
-                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
-                    <userOffsetX>-24.0</userOffsetX>
-                    <userOffsetY>-11.0</userOffsetY>
-                    <attached>Utilise::WayPoint::1</attached>
-                    <offset_x>8</offset_x>
-                    <offset_y>8</offset_y>
-                    <placement>TOP</placement>
-                </strategy>
-                <hidden>false</hidden>
-            </edgeproperty>
-            <edgeproperty id="Utilise::target::multiplicity" sizeCalculated="true" type="multiplicity" userDefined="false" visible="true">
-                <name>1</name>
-                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
-                    <userOffsetX>0.0</userOffsetX>
-                    <userOffsetY>0.0</userOffsetY>
-                    <attached>Utilise::WayPoint::1</attached>
-                    <offset_x>8</offset_x>
-                    <offset_y>8</offset_y>
-                    <placement>BOTTOM</placement>
-                </strategy>
-                <hidden>false</hidden>
-            </edgeproperty>
-            <edgeproperty id="Utilise::source::multiplicity" sizeCalculated="true" type="multiplicity" userDefined="false" visible="true">
-                <name>1</name>
+
                 <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
                     <userOffsetX>0.0</userOffsetX>
                     <userOffsetY>0.0</userOffsetY>
@@ -562,17 +548,15 @@
         <target>Jeu</target>
         <name>Joue2</name>
         <properties>
-            <edgeproperty id="Joue2::AssociationName" sizeCalculated="true" type="associationName" userDefined="false" visible="true">
-                <name>Joue2</name>
-                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyInBetween">
+            <edgeproperty id="Joue2::target::rolename" sizeCalculated="true" type="rolename" userDefined="false" visible="true">
+                <name>jeu1</name>
+                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
                     <userOffsetX>0.0</userOffsetX>
                     <userOffsetY>0.0</userOffsetY>
-                    <offsetX>0.0</offsetX>
-                    <offsetY>-10.0</offsetY>
-                    <related length="2">
-                        <related0>Joue2::WayPoint::0</related0>
-                        <related1>Joue2::WayPoint::3</related1>
-                    </related>
+                    <attached>Joue2::WayPoint::1</attached>
+                    <offset_x>8</offset_x>
+                    <offset_y>8</offset_y>
+                    <placement>TOP</placement>
                 </strategy>
                 <hidden>false</hidden>
             </edgeproperty>
@@ -581,30 +565,22 @@
                 <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
                     <userOffsetX>0.0</userOffsetX>
                     <userOffsetY>0.0</userOffsetY>
-                    <attached>Joue2::WayPoint::3</attached>
+                    <attached>Joue2::WayPoint::1</attached>
                     <offset_x>8</offset_x>
                     <offset_y>8</offset_y>
                     <placement>TOP</placement>
                 </strategy>
                 <hidden>false</hidden>
             </edgeproperty>
-            <edgeproperty id="Joue2::target::multiplicity" sizeCalculated="true" type="multiplicity" userDefined="false" visible="true">
-                <name>1</name>
-                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
-                    <userOffsetX>0.0</userOffsetX>
-                    <userOffsetY>0.0</userOffsetY>
-                    <attached>Joue2::WayPoint::3</attached>
-                    <offset_x>8</offset_x>
-                    <offset_y>8</offset_y>
-                    <placement>BOTTOM</placement>
+
                 </strategy>
                 <hidden>false</hidden>
             </edgeproperty>
-            <edgeproperty id="Joue2::source::rolename" sizeCalculated="true" type="rolename" userDefined="true" visible="true">
+            <edgeproperty id="Joue2::source::rolename" sizeCalculated="true" type="rolename" userDefined="false" visible="true">
                 <name>joueur2</name>
                 <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
-                    <userOffsetX>-15.0</userOffsetX>
-                    <userOffsetY>15.0</userOffsetY>
+                    <userOffsetX>0.0</userOffsetX>
+                    <userOffsetY>0.0</userOffsetY>
                     <attached>Joue2::WayPoint::0</attached>
                     <offset_x>8</offset_x>
                     <offset_y>8</offset_y>
@@ -638,31 +614,19 @@
             </edgeproperty>
             <edgeproperty id="Joue2::WayPoint::1" sizeCalculated="true" type="WayPoint" userDefined="true" visible="true">
                 <name>1</name>
-                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyFixed">
-                    <x>268.0</x>
-                    <y>312.0</y>
+                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToCorner">
+                    <userOffsetX>15.975093586675285</userOffsetX>
+                    <userOffsetY>130.0</userOffsetY>
+                    <basisDeltaX>ABSOLUTE</basisDeltaX>
+                    <deltaX>0.0</deltaX>
+                    <maxDeltaX>1.7976931348623157E308</maxDeltaX>
+                    <basisDeltaY>ABSOLUTE</basisDeltaY>
+                    <deltaY>0.0</deltaY>
+                    <maxDeltaY>1.7976931348623157E308</maxDeltaY>
+                    <corner>NORTH_WEST</corner>
+                    <relativeNodeId>Jeu</relativeNodeId>
                 </strategy>
                 <id>1</id>
-                <specialid>0</specialid>
-                <hidden>false</hidden>
-            </edgeproperty>
-            <edgeproperty id="Joue2::WayPoint::2" sizeCalculated="true" type="WayPoint" userDefined="true" visible="true">
-                <name>2</name>
-                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyFixed">
-                    <x>183.0</x>
-                    <y>311.0</y>
-                </strategy>
-                <id>2</id>
-                <specialid>0</specialid>
-                <hidden>false</hidden>
-            </edgeproperty>
-            <edgeproperty id="Joue2::WayPoint::3" sizeCalculated="true" type="WayPoint" userDefined="false" visible="true">
-                <name>3</name>
-                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyAttachedIntersection">
-                    <userOffsetX>0.0</userOffsetX>
-                    <userOffsetY>0.0</userOffsetY>
-                </strategy>
-                <id>3</id>
                 <specialid>2</specialid>
                 <hidden>false</hidden>
             </edgeproperty>
@@ -674,37 +638,11 @@
         <target>Bateau</target>
         <name>Appartient2</name>
         <properties>
-            <edgeproperty id="Appartient2::AssociationName" sizeCalculated="true" type="associationName" userDefined="false" visible="true">
-                <name>Appartient2</name>
-                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyInBetween">
-                    <userOffsetX>0.0</userOffsetX>
-                    <userOffsetY>0.0</userOffsetY>
-                    <offsetX>0.0</offsetX>
-                    <offsetY>-10.0</offsetY>
-                    <related length="2">
-                        <related0>Appartient2::WayPoint::0</related0>
-                        <related1>Appartient2::WayPoint::1</related1>
-                    </related>
-                </strategy>
-                <hidden>false</hidden>
-            </edgeproperty>
-            <edgeproperty id="Appartient2::target::multiplicity" sizeCalculated="true" type="multiplicity" userDefined="false" visible="true">
-                <name>*</name>
-                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
-                    <userOffsetX>0.0</userOffsetX>
-                    <userOffsetY>0.0</userOffsetY>
-                    <attached>Appartient2::WayPoint::1</attached>
-                    <offset_x>8</offset_x>
-                    <offset_y>8</offset_y>
-                    <placement>BOTTOM</placement>
-                </strategy>
-                <hidden>false</hidden>
-            </edgeproperty>
-            <edgeproperty id="Appartient2::target::rolename" sizeCalculated="true" type="rolename" userDefined="true" visible="true">
+
                 <name>bateaux</name>
                 <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
-                    <userOffsetX>-4.0</userOffsetX>
-                    <userOffsetY>18.0</userOffsetY>
+                    <userOffsetX>0.0</userOffsetX>
+                    <userOffsetY>0.0</userOffsetY>
                     <attached>Appartient2::WayPoint::1</attached>
                     <offset_x>8</offset_x>
                     <offset_y>8</offset_y>
@@ -724,11 +662,25 @@
                 </strategy>
                 <hidden>false</hidden>
             </edgeproperty>
+            <edgeproperty id="Appartient2::AssociationName" sizeCalculated="true" type="associationName" userDefined="false" visible="true">
+                <name>Appartient2</name>
+                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyInBetween">
+                    <userOffsetX>0.0</userOffsetX>
+                    <userOffsetY>0.0</userOffsetY>
+                    <offsetX>0.0</offsetX>
+                    <offsetY>-10.0</offsetY>
+                    <related length="2">
+                        <related0>Appartient2::WayPoint::0</related0>
+                        <related1>Appartient2::WayPoint::1</related1>
+                    </related>
+                </strategy>
+                <hidden>false</hidden>
+            </edgeproperty>
             <edgeproperty id="Appartient2::source::rolename" sizeCalculated="true" type="rolename" userDefined="true" visible="true">
                 <name>flotte</name>
                 <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
-                    <userOffsetX>24.0</userOffsetX>
-                    <userOffsetY>30.0</userOffsetY>
+                    <userOffsetX>86.0</userOffsetX>
+                    <userOffsetY>108.0</userOffsetY>
                     <attached>Appartient2::WayPoint::0</attached>
                     <offset_x>8</offset_x>
                     <offset_y>8</offset_y>
@@ -766,6 +718,30 @@
         <target>Jeu</target>
         <name>Joue1</name>
         <properties>
+            <edgeproperty id="Joue1::target::multiplicity" sizeCalculated="true" type="multiplicity" userDefined="false" visible="true">
+                <name>1</name>
+                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
+                    <userOffsetX>0.0</userOffsetX>
+                    <userOffsetY>0.0</userOffsetY>
+                    <attached>Joue1::WayPoint::1</attached>
+                    <offset_x>8</offset_x>
+                    <offset_y>8</offset_y>
+                    <placement>BOTTOM</placement>
+                </strategy>
+                <hidden>false</hidden>
+            </edgeproperty>
+            <edgeproperty id="Joue1::target::rolename" sizeCalculated="true" type="rolename" userDefined="false" visible="true">
+                <name>jeu2</name>
+                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
+                    <userOffsetX>0.0</userOffsetX>
+                    <userOffsetY>0.0</userOffsetY>
+                    <attached>Joue1::WayPoint::1</attached>
+                    <offset_x>8</offset_x>
+                    <offset_y>8</offset_y>
+                    <placement>TOP</placement>
+                </strategy>
+                <hidden>false</hidden>
+            </edgeproperty>
             <edgeproperty id="Joue1::AssociationName" sizeCalculated="true" type="associationName" userDefined="false" visible="true">
                 <name>Joue1</name>
                 <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyInBetween">
@@ -775,40 +751,16 @@
                     <offsetY>-10.0</offsetY>
                     <related length="2">
                         <related0>Joue1::WayPoint::0</related0>
-                        <related1>Joue1::WayPoint::3</related1>
+                        <related1>Joue1::WayPoint::1</related1>
                     </related>
                 </strategy>
                 <hidden>false</hidden>
             </edgeproperty>
-            <edgeproperty id="Joue1::target::rolename" sizeCalculated="true" type="rolename" userDefined="true" visible="true">
-                <name>jeu2</name>
-                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
-                    <userOffsetX>-4.0</userOffsetX>
-                    <userOffsetY>-20.0</userOffsetY>
-                    <attached>Joue1::WayPoint::3</attached>
-                    <offset_x>8</offset_x>
-                    <offset_y>8</offset_y>
-                    <placement>TOP</placement>
-                </strategy>
-                <hidden>false</hidden>
-            </edgeproperty>
-            <edgeproperty id="Joue1::target::multiplicity" sizeCalculated="true" type="multiplicity" userDefined="false" visible="true">
-                <name>1</name>
-                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
-                    <userOffsetX>0.0</userOffsetX>
-                    <userOffsetY>0.0</userOffsetY>
-                    <attached>Joue1::WayPoint::3</attached>
-                    <offset_x>8</offset_x>
-                    <offset_y>8</offset_y>
-                    <placement>BOTTOM</placement>
-                </strategy>
-                <hidden>false</hidden>
-            </edgeproperty>
-            <edgeproperty id="Joue1::source::rolename" sizeCalculated="true" type="rolename" userDefined="false" visible="true">
+
                 <name>joueur1</name>
                 <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
-                    <userOffsetX>0.0</userOffsetX>
-                    <userOffsetY>0.0</userOffsetY>
+                    <userOffsetX>14.0</userOffsetX>
+                    <userOffsetY>147.0</userOffsetY>
                     <attached>Joue1::WayPoint::0</attached>
                     <offset_x>8</offset_x>
                     <offset_y>8</offset_y>
@@ -840,33 +792,13 @@
                 <specialid>1</specialid>
                 <hidden>false</hidden>
             </edgeproperty>
-            <edgeproperty id="Joue1::WayPoint::1" sizeCalculated="true" type="WayPoint" userDefined="true" visible="true">
+            <edgeproperty id="Joue1::WayPoint::1" sizeCalculated="true" type="WayPoint" userDefined="false" visible="true">
                 <name>1</name>
-                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyFixed">
-                    <x>282.0</x>
-                    <y>150.0</y>
-                </strategy>
-                <id>1</id>
-                <specialid>0</specialid>
-                <hidden>false</hidden>
-            </edgeproperty>
-            <edgeproperty id="Joue1::WayPoint::2" sizeCalculated="true" type="WayPoint" userDefined="true" visible="true">
-                <name>2</name>
-                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyFixed">
-                    <x>154.0</x>
-                    <y>176.0</y>
-                </strategy>
-                <id>2</id>
-                <specialid>0</specialid>
-                <hidden>false</hidden>
-            </edgeproperty>
-            <edgeproperty id="Joue1::WayPoint::3" sizeCalculated="true" type="WayPoint" userDefined="false" visible="true">
-                <name>3</name>
                 <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyAttachedIntersection">
                     <userOffsetX>0.0</userOffsetX>
                     <userOffsetY>0.0</userOffsetY>
                 </strategy>
-                <id>3</id>
+                <id>1</id>
                 <specialid>2</specialid>
                 <hidden>false</hidden>
             </edgeproperty>
@@ -878,6 +810,30 @@
         <target>Coup</target>
         <name>Tire</name>
         <properties>
+            <edgeproperty id="Tire::target::multiplicity" sizeCalculated="true" type="multiplicity" userDefined="false" visible="true">
+                <name>1</name>
+                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
+                    <userOffsetX>0.0</userOffsetX>
+                    <userOffsetY>0.0</userOffsetY>
+                    <attached>Tire::WayPoint::1</attached>
+                    <offset_x>8</offset_x>
+                    <offset_y>8</offset_y>
+                    <placement>BOTTOM</placement>
+                </strategy>
+                <hidden>false</hidden>
+            </edgeproperty>
+            <edgeproperty id="Tire::target::rolename" sizeCalculated="true" type="rolename" userDefined="false" visible="true">
+                <name>coups</name>
+                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
+                    <userOffsetX>0.0</userOffsetX>
+                    <userOffsetY>0.0</userOffsetY>
+                    <attached>Tire::WayPoint::1</attached>
+                    <offset_x>8</offset_x>
+                    <offset_y>8</offset_y>
+                    <placement>TOP</placement>
+                </strategy>
+                <hidden>false</hidden>
+            </edgeproperty>
             <edgeproperty id="Tire::AssociationName" sizeCalculated="true" type="associationName" userDefined="false" visible="true">
                 <name>Tire</name>
                 <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyInBetween">
@@ -892,30 +848,6 @@
                 </strategy>
                 <hidden>false</hidden>
             </edgeproperty>
-            <edgeproperty id="Tire::target::rolename" sizeCalculated="true" type="rolename" userDefined="true" visible="true">
-                <name>coups</name>
-                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
-                    <userOffsetX>-23.0</userOffsetX>
-                    <userOffsetY>28.0</userOffsetY>
-                    <attached>Tire::WayPoint::1</attached>
-                    <offset_x>8</offset_x>
-                    <offset_y>8</offset_y>
-                    <placement>TOP</placement>
-                </strategy>
-                <hidden>false</hidden>
-            </edgeproperty>
-            <edgeproperty id="Tire::target::multiplicity" sizeCalculated="true" type="multiplicity" userDefined="false" visible="true">
-                <name>1</name>
-                <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
-                    <userOffsetX>0.0</userOffsetX>
-                    <userOffsetY>0.0</userOffsetY>
-                    <attached>Tire::WayPoint::1</attached>
-                    <offset_x>8</offset_x>
-                    <offset_y>8</offset_y>
-                    <placement>BOTTOM</placement>
-                </strategy>
-                <hidden>false</hidden>
-            </edgeproperty>
             <edgeproperty id="Tire::source::multiplicity" sizeCalculated="true" type="multiplicity" userDefined="false" visible="true">
                 <name>*</name>
                 <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
@@ -931,8 +863,8 @@
             <edgeproperty id="Tire::source::rolename" sizeCalculated="true" type="rolename" userDefined="true" visible="true">
                 <name>joueur</name>
                 <strategy type="org.tzi.use.gui.views.diagrams.elements.positioning.StrategyRelativeToAttached">
-                    <userOffsetX>16.0</userOffsetX>
-                    <userOffsetY>-21.0</userOffsetY>
+                    <userOffsetX>-1.0</userOffsetX>
+                    <userOffsetY>88.0</userOffsetY>
                     <attached>Tire::WayPoint::0</attached>
                     <offset_x>8</offset_x>
                     <offset_y>8</offset_y>