OFF
21 30 0
-0.8 -0.8 0
0.4 -1.2 0
1.2 -0.9 0
1.6 0.1 0
2.5 0.5 0
4.1 0.7 0
5.7 1.8 0
5.1 3.4 0
2.5 4.4 0
1.2 3.7 0
-1.2 3.9 0
-3.2 5.1 0
-4.3 2.9 0
-3.1 0.7 0
-1.3 0.6 0
-2.1 2.9 0
0.6 1.2 0
0.1 2.4 0
2.4 2.8 0
3.5 1.8 0
3.6 3.1 0
3 1 2 3
3 3 2 4
3 4 2 5
3 9 8 10
3 10 8 11
3 13 0 14
3 10 11 15
3 11 12 15
3 12 13 15
3 13 14 15
3 0 1 16
3 1 3 16
3 3 4 16
3 14 0 16
3 9 10 17
3 10 15 17
3 15 14 17
3 14 16 17
3 8 9 18
3 16 4 18
3 9 17 18
3 17 16 18
3 5 6 19
3 6 7 19
3 4 5 19
3 18 4 19
3 7 8 20
3 8 18 20
3 18 19 20
3 19 7 20