3DG1
10
-10 0 40
-20 0 20
-26 0 0
-20 0 -20
-10 0 -40
10 0 -40
20 0 -20
26 0 0
20 0 20
10 0 40
6 7 2 1 0 9 8 10
6 2 7 6 5 4 3 10
