OFF
19 8 1
0 0 -2
0 -1 -1
-1 0 -1
1 0 -1
0 1 -1
0 -2 0
-1 -1 0
1 -1 0
-2 0 0
0 0 0
2 0 0
-1 1 0
1 1 0
0 2 0
0 -1 1
-1 0 1
1 0 1
0 1 1
0 0 2
3 13 18 8 
3 18 13 10 
3 0 13 8 
3 13 0 10 
3 5 18 10 
3 18 5 8 
3 5 0 8 
3 0 5 10