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