# type topo
# cell     1.000000     1.000000     1.000000    90.000000    90.000000   120.000000
3
  1 v      0.000000    0.000000    0.000000   0                             1/16      1/10       1/4      1/22      1/14      1/12       1/1      1/25 
  2 v      0.500000    0.288675    0.333333   0                             2/16      2/10       2/4      2/22      2/14      2/12       2/1      2/25 
  3 v     -0.000000    0.577350    0.666667   0                             3/10      3/16      3/14      3/12       3/4      3/22       3/1      3/25