# Octahedron
# Data: Exact Mathematics
6 8 12
 0   0   1
 0   1   0
-1   0   0
 1   0   0
 0  -1   0
 0   0  -1
3 1 0 2
3 0 1 3
3 5 1 2
3 1 5 3
3 4 0 3
3 0 4 2
3 4 5 2
3 5 4 3
0 1
0 2
0 3
0 4
1 2
1 3
2 4
3 4
1 5
2 5
3 5
4 5