v -1.0 0.000000 1.0
v 1.0 0.000000 1.0
v -1.0 1.0 1.0
v 1.0 1.0 1.0
v -1.0 1.0 -1.0
v 1.0 1.0 -1.0
v -1.0 0.000000 -1.0
v 1.0 0.000000 -1.0
v -1.0 -2.000000 1.0
v -1.0 -2.000000 -1.0
v 1.0 -2.000000 -1.0
v 1.0 -2.000000 1.0
v 0.0 2.0 0.0
f 1 2 4 3
f 5 6 8 7
f 2 8 6 4
f 7 1 3 5
f 4 6 13
f 6 5 13
f 12 11 8 2
f 1 7 10 9
f 7 8 11 10
