7
P   0.0     0.0     0.0
F   1.606   0.0     0.0
F   -1.606  0.0     0.0
F   0.0     1.606   0.0
F   0.0     -1.606  0.0
F   0.0     0.0     1.606
F   0.0     0.0     -1.606