# type topo
# cell     2.138100     2.138100     2.138100    90.000000    90.000000    90.000000
12
  1 v      0.801788    0.000000    0.534525   0                             5/13      6/13      7/10      8/10      9/13     10/10     11/13      12/9 
  2 v      0.267263    0.000000    1.603575   0                             5/14       6/5      7/10       8/1      9/13     10/11     11/13     12/10 
  3 v      1.336313    1.069050    0.534525   0                             5/13      6/13      7/13      8/13      9/22     10/22     11/13     12/12 
  4 v      1.870838    1.069050    1.603575   0                             5/23      6/14      7/22      8/13      9/22     10/23     11/13     12/13 
  5 v      0.534525    0.801788    0.000000   0                             1/13      2/12      3/13       4/3      9/13     10/13     11/12     12/12 
  6 v      1.603575    0.267263    0.000000   0                             1/13      2/21      3/13      4/12      9/22     10/19     11/12      12/9 
  7 v      0.534525    1.336313    1.069050   0                             1/16      2/16      3/13       4/4      9/13     10/13     11/13     12/13 
  8 v      1.603575    1.870838    1.069050   0                             1/16      2/25      3/13      4/13      9/25     10/22     11/16     12/13 
  9 v      0.000000    0.534525    0.801788   0                             1/13      2/13       3/4       4/4      5/13       6/4      7/13       8/1 
 10 v      0.000000    1.603575    0.267263   0                             1/16      2/15       3/4       4/3      5/13       6/7      7/13       8/4 
 11 v      1.069050    0.534525    1.336313   0                             1/13      2/13      3/13      4/13      5/14      6/14      7/13      8/10 
 12 v      1.069050    1.603575    1.870838   0                             1/17      2/16      3/14      4/13      5/14      6/17      7/13      8/13