# type topo
# cell     2.598100     2.598100     1.000000    90.000000    90.000000    90.000000
8
  1 v      0.216422    0.649525    0.125000   0                              3/9       4/3       7/4      8/13      1/14      1/12      5/13      5/12 
  2 v      2.381678    1.948575    0.125000   0                             7/13      8/22      3/21      4/15      2/14      2/12      6/13      6/12 
  3 v      0.649525    2.381678    0.875000   0                             1/17       2/5      5/16      6/13      3/14      3/12      8/13      8/14 
  4 v      1.948575    0.216422    0.875000   0                             1/23      2/11      5/13      6/10      4/14      4/12      7/13      7/14 
  5 v      1.082628    0.649525    0.625000   0                             1/13      1/14      3/10      4/13      7/13      8/13      5/14      5/12 
  6 v      1.515472    1.948575    0.625000   0                             2/13      2/14      3/13      4/16      7/13      8/13      6/14      6/12 
  7 v      1.948575    1.082628    0.375000   0                             1/22      2/13      4/13      4/12      5/13      6/13      7/14      7/12 
  8 v      0.649525    1.515472    0.375000   0                             1/13       2/4      3/13      3/12      5/13      6/13      8/14      8/12