v 1 0 0
v 0 0 1
v 0 1 1
v 1 1 0
v -1 1 0
v -1 0 0
v 0 1 0
v 0 0 0
v 0 1 -1
v 0 0 -1
v 1 1 -1
v 1 0 -1
v 1 1 1
v 1 0 1
v -1 1 1
v -1 0 1
f 4 1 12
f 4 12 11
f 1 4 13
f 1 13 14
f 1 8 10
f 1 10 12
f 8 1 14
f 8 14 2
f 8 2 16
f 8 16 6
f 2 3 15
f 2 15 16
f 3 2 14
f 3 14 13
f 3 7 5
f 3 5 15
f 7 3 13
f 7 13 4
f 7 4 11
f 7 11 9
f 5 6 16
f 5 16 15
f 7 8 6
f 7 6 5
f 9 10 8
f 9 8 7
f 11 12 10
f 11 10 9