3DG1
8
-30 30 -20
10 30 -20
10 0 -20
-30 0 -20
-30 0 10
10 0 10
10 30 10
-30 30 10
4 0 1 2 3 0
4 4 5 6 7 0
4 1 6 5 2 0
4 3 4 7 0 0
4 7 6 1 0 0
