[ [1, 0, 1, 0, 1], # X=1 for points 0, 1 [0, 1, 1, 0, 2], # Y=1 for points 0, 2 [0, 1, 1, 1, 3], # Y=1 for points 1, 3 [1, 1, 2, 0, 3], # X+Y=2 for points 0, 3 [1, 0, 1, 2, 3], # X=1 for points 2, 3 ]