3DG1
17
10 0 0
5 5 0
5 -5 0
-5 -5 0
20 30 0
20 10 0
20 -10 0
20 -40 0
5 -40 0
-5 -40 0
-20 -40 0
-20 40 0
-5 30 0
-5 5 0
-20 0 0
10 40 0
5 30 0
4 14 13 12 11 0
4 11 12 16 15 0
6 1 0 5 4 15 16 0
6 3 2 0 1 13 14 0
5 8 7 6 0 2 0
4 3 14 10 9 0
