| Quintiq file version 2.0 | 
| #parent: #root | 
| Relation IOOptimizerPuzzle_IOSubsetProductInOptimizerPuzzle_IOSubsetProductInOptimizerPuzzle_IOOptimizerPuzzle | 
| { | 
|   #keys: '1[146140.1.432425108]' | 
|   DefaultRelationStrategy | 
|   { | 
|   } | 
|   RelationSide.LeftSide IOSubsetProductInOptimizerPuzzle | 
|   { | 
|     #keys: '3[146140.1.432425110][146140.1.432425109][146140.1.432425111]' | 
|     Cardinality: '1toN' | 
|     ObjectDefinition: IOOptimizerPuzzle | 
|     OwningSide: 'Reference' | 
|   } | 
|   RelationSide.RightSide IOOptimizerPuzzle | 
|   { | 
|     #keys: '3[146140.1.432425113][146140.1.432425112][146140.1.432425114]' | 
|     Cardinality: '0to1' | 
|     ObjectDefinition: IOSubsetProductInOptimizerPuzzle | 
|     OwningSide: 'Reference' | 
|   } | 
| } |