OFF
12 7 0
2.00000000 1.00000000 -2.00000000
-1.20000000 1.00000000 -2.00000000
-2.00000000 1.00000000 -1.20000000
-2.00000000 1.00000000 2.00000000
2.00000000 1.00000000 2.00000000
-1.00000000 -1.00000000 -0.20000000
-1.00000000 -1.00000000 1.00000000
1.00000000 -1.00000000 1.00000000
-0.20000000 -1.00000000 -1.00000000
0.20000000 -1.00000000 -1.00000000
1.00000000 -1.00000000 -0.20000000
1.80000000 0.60000000 -1.80000000
4 2 5 6 3 
4 6 7 4 3 
4 8 5 2 1 
6 6 5 8 9 10 7 
5 7 10 11 0 4 
5 11 9 8 1 0 
3 11 10 9