3DG1
8
-20 0 20
-20 0 -20
20 0 -20
20 0 20
0 -20 20
0 -20 -20
0 20 -20
0 20 20
4 3 2 1 0 100
4 0 1 2 3 100
4 7 6 5 4 100
4 4 5 6 7 100
