3DG1
8
20 0 -20
-20 40 20
-20 40 -20
20 40 20
20 40 -20
-20 0 20
-20 0 -20
20 0 20
4 4 2 1 3 20
4 1 2 6 5 16
4 3 1 5 7 12
4 7 0 4 3 16
4 6 2 4 0 18
