8
-1  1 -1
 1  1 -1
 1  1  1
-1  1  1
-1 -1 -1
 1 -1 -1
 1 -1  1
-1 -1  1
12
1 3 2 0 1 0 0 1 0 0 1 0
1 4 3 0 1 0 0 1 0 0 1 0
5 6 7 0 -1 0 0 -1 0 0 -1 0
5 7 8 0 -1 0 0 -1 0 0 -1 0
5 4 1 -1 0 0 -1 0 0 -1 0 0
5 8 4 -1 0 0 -1 0 0 -1 0 0
3 6 2 1 0 0 1 0 0 1 0 0
3 7 6 1 0 0 1 0 0 1 0 0
5 1 2 0 0 -1 0 0 -1 0 0 -1
5 2 6 0 0 -1 0 0 -1 0 0 -1
3 4 8 0 0 1 0 0 1 0 0 1
3 8 7 0 0 1 0 0 1 0 0 1