# type topo
# cell     2.732000     2.732000     1.414300    90.000000    90.000000   120.000000
9
  1 v      1.866093    0.499932    0.000000   0                             2/13      3/13      5/22      6/10      7/13      7/12      8/21      8/22 
  2 v      1.366000    1.366118    0.000000   0                             1/13      3/13      4/22      6/13      8/22      8/21      9/13      9/12 
  3 v      0.865907    0.499932    0.000000   0                             1/13      2/13      4/10      5/13      7/13      7/12      9/13      9/12 
  4 v     -0.500093    1.866050    0.000000   0                              2/4      3/16      5/13      6/13      7/16      7/15      8/13      8/12 
  5 v      0.000000    0.999864    0.000000   0                              1/4      3/13      4/13      6/13      8/13      8/12      9/13      9/12 
  6 v      0.500093    1.866050    0.000000   0                             1/16      2/13      4/13      5/13      7/16      7/15      9/13      9/12 
  7 v      1.366000    0.000000    0.707150   1                             1/13      1/14      3/13      3/14      4/10      4/11      6/10      6/11 
  8 v     -0.683000    1.182991    0.707150   1                              1/5       1/4       2/4       2/5      4/13      4/14      5/13      5/14 
  9 v      0.683000    1.182991    0.707150   1                             2/13      2/14      3/13      3/14      5/13      5/14      6/13      6/14