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