# type topo
# cell     2.289100     2.289100     2.313800    90.000000    90.000000    90.000000
16
  1 v      0.000000    1.072214    0.494690   0                            10/13      6/12       7/4     16/13       4/3       3/4     11/12     12/13 
  2 v      1.144550    1.216886    1.651590   0                             9/13      5/13      8/13     15/13      3/13      4/13     11/13     12/13 
  3 v      1.789161    1.716825    1.073140   0                             1/22      2/13     12/22      7/13     14/16      5/13      9/13     10/25 
  4 v      1.644489    0.572275    2.230040   0                             1/23      2/13     11/13      8/13     13/19      6/22     10/23      9/10 
  5 v      1.144550    1.072214    0.662210   0                             2/13      3/13     14/13     12/13     16/13      7/13      8/13     15/13 
  6 v      0.000000    1.216886    1.819110   0                             1/14       4/4     13/13     11/13       7/5       8/4     15/13     16/14 
  7 v      1.644489    1.716825    0.083760   0                             1/22      3/13      5/13      6/21     16/13     10/25     13/21     14/16 
  8 v      1.789161    0.572275    1.240660   0                             2/13      4/13      5/13      6/22     15/22      9/10     13/19     14/13 
  9 v      1.144550    2.216764    1.651590   0                             2/13      3/13      4/16      8/16     14/16     15/16     11/16     12/13 
 10 v      0.000000    0.072336    0.494690   0                             1/13       3/1       4/3       7/1      13/9     16/10     11/12     12/10 
 11 v      0.644611    0.572275    2.230040   0                             1/14      2/13      4/13      6/13      9/10     10/14     15/13     13/10 
 12 v      0.499939    1.716825    1.073140   0                             1/13      2/13       3/4      5/13      9/13     10/16     16/13     14/16 
 13 v      0.000000    2.216764    1.819110   0                              4/7      6/13       7/5       8/7     10/17     11/16     15/16     16/14 
 14 v      1.144550    0.072336    0.662210   0                             3/10      5/13      7/10      8/13      9/10     12/10     16/10     15/13 
 15 v      0.499939    0.572275    1.240660   0                             2/13      5/13      6/13       8/4      9/10     11/13     13/10     14/13 
 16 v      0.644611    1.716825    0.083760   0                             1/13      5/13      6/12      7/13     10/16     12/13     13/12     14/16