# type topo
# cell     4.377600     4.377600     1.000000    90.000000    90.000000   120.000000
18
  1 v      0.961321    0.219885    0.416700   0                            13/13     13/12      8/10      6/13      1/14      1/12     12/13     11/10 
  2 v      3.706514    0.722586    0.416700   0                            14/13     14/12      4/13      9/22      2/14      2/12     12/22     10/10 
  3 v      1.898565    2.848642    0.416700   0                            15/13     15/12      5/13      7/13      3/14      3/12     10/13     11/22 
  4 v      3.150121    1.483589    0.750033   0                             2/13     16/23     16/22      9/23      4/14      4/12     14/13     15/13 
  5 v      1.517714    1.986290    0.750033   0                             3/13     17/14     17/13      7/14      5/12      5/14     13/13     15/13 
  6 v      1.898565    0.321234    0.750033   0                             1/13     18/11     18/10      8/11      6/14      6/12     13/13     14/13 
  7 v      0.961321    2.747293    0.083367   0                             3/13      5/12     10/13     10/12      7/14      7/12     18/13     17/13 
  8 v     -0.671086    3.249995    0.083367   0                             1/16      6/15     11/13     11/12      8/14      8/12     16/13     18/13 
  9 v     -0.290235    1.584938    0.083367   0                              2/4       4/3     12/13     12/12      9/14      9/12     16/13     17/13 
 10 v      1.227479    3.571228    0.583300   0                             2/16      3/13      7/13      7/14     14/16     18/13     10/14     10/12 
 11 v     -1.517714    3.068527    0.583300   0                             1/16       3/4      8/13      8/14     16/13      15/4     11/14     11/12 
 12 v      0.290235    0.942471    0.583300   0                             1/13       2/4      9/13      9/14     17/13     13/13     12/14     12/12 
 13 v      1.227479    1.043820    0.916633   0                             1/13      1/14      5/13      6/13     12/13     17/14     13/14     13/12 
 14 v      2.859886    0.541118    0.916633   0                             2/13      2/14      4/13      6/13     10/10     18/11     14/12     14/14 
 15 v      2.479035    2.206175    0.916633   0                             3/13      3/14      4/13      5/13     11/22     16/23     15/14     15/12 
 16 v     -0.961321    2.307524    0.249967   0                              4/3       4/4      8/13      9/13     11/13      15/3     16/14     16/12 
 17 v      0.671086    1.804822    0.249967   0                             5/12      5/13      7/13      9/13     12/13     13/12     17/14     17/12 
 18 v      0.290235    3.469879    0.249967   0                             6/15      6/16      7/13      8/13     10/13     14/15     18/12     18/14