6
8
1.0 1.0 0.0
1.0 -1.0 0.0
-1.0 -1.0 0.0
-1.0 1.0 0.0
0.0 0.0 1.0
0.0 0.0 -1.0
1 4 0
2 4 1
3 4 2
0 4 3
5 2 1
5 3 2
5 0 3
5 1 0
