5
0 -1 0 0 0 -1 0
0 0 -1 0 0 0 -1
0 0 0 -1 0 1 0
0 0 1 0 -1 0 0
0 0 0 -1 -1 0 0
0
4 5 3
0 0 -1
-1 0 0
0 -1 0
0 1 0
0  0  0 -1 -1  0  0 1
0 -1  0  0  0 -1  0 1
0  0 -1  0  0  0 -1 1
0  0  0 -1  0  1  0 1
0  0  1  0 -1  0  0 1
