OFF
7 5 0
-0.8 -0.8 0.0
0.4 -1.2 0.0
1.2 -0.9 0.0
1.6 0.1 0.0
2.5 0.5 0.0
4.1 0.7 0.0
5.7 1.8 0.0
3 0 1 3
3 1 2 3
3 3 2 4
3 4 2 5
3 4 5 6