array (0,10) [(0,0),(1,2),(2,2),(3,2),(4,2),(5,2),(6,2),(7,2),(8,2),(9,2),(10,2)]
array (0,10) [(0,0),(1,0),(2,2),(3,0),(4,2),(5,0),(6,2),(7,0),(8,2),(9,0),(10,2)]