0 -1  0 -1  0 -1 -1
0  0 -1 -1  1  0 -1
0  1  0 -1  0  1 -1
0  0  1 -1 -1  0 -1
0 -1  0  1  0 -1  1
0  0 -1  1  1  0  1
0  1  0  1  0  1  1
0  0  1  1 -1  0  1
