# type topo
# cell     2.527400     2.527400     1.000000    90.000000    90.000000   120.000000
6
  1 v      0.942467    0.290234    0.000000   0                             4/10       4/9      3/12      2/13      1/14      1/12      6/13       5/9 
  2 v      1.804816    0.671084    0.333333   0                             1/13      5/21      5/22      3/13      2/14      2/12      6/22      4/10 
  3 v      1.043816    1.227475    0.666667   0                             1/14      2/13      6/13      6/14      3/14      3/12      5/22      4/13 
  4 v      0.321233    1.898559    0.500000   0                             1/16      1/17      2/16      3/13      5/13      6/13      4/14      4/12 
  5 v     -0.541116    1.517709    0.833333   0                             1/17       2/5       2/4       3/4      4/13      6/14      5/14      5/12 
  6 v      0.219884    0.961318    0.166667   0                             1/13       2/4      3/13      3/12      4/13      5/12      6/14      6/12