OFF
8 6 0
# vertices
-1 -1 1
-1 1 1
1 1 1
1 -1 1
-1 -1 -1
-1 1 -1
1 1 -1
1 -1 -1
# facets
4 3 2 1 0
4 0 1 5 4
4 6 5 1 2
4 3 7 6 2
4 4 7 3 0
4 4 5 6 7