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["Fournisseurs","Machine 1","Machine 2","Machine 3","Machine 4","Machine 5"]
["F1","x",null,null,null,null,null,null,null,"Choix de la machine"]
["F2",null,"x","x",null,null,null,null,null,"Machine 5","F3"]
["F3",null,null,null,null,"x",null,null,null,null,"F8"]
["F4","x",null,"x","x"]
["F5",null,"x"]
["F6","x","x"]
["F7",null,null,"x"]
["F8",null,"x",null,null,"x"]
["F9","x"]
["F10",null,"x"]