# type topo
# cell     2.984900     2.984900     1.681800    90.000000    90.000000    90.000000
16
  1 v      0.092830    1.016955    0.123276   0                             3/13      4/13       7/4       9/3     13/12     13/13     15/12     15/13 
  2 v      1.399620    0.475495    0.123276   0                             3/13      4/13      8/10      10/9     14/12     14/13     16/12     16/13 
  3 v      0.475495    0.092830    0.123276   0                             1/13      2/13       5/1      11/0     13/12     13/13     16/12     16/13 
  4 v      1.016955    1.399620    0.123276   0                             1/13      2/13      6/13     12/12     14/12     14/13     15/12     15/13 
  5 v      2.892070    2.509405    0.717624   0                             3/25      7/13      8/13      9/13      9/12     11/13     11/12     13/25 
  6 v      1.585280    1.967945    0.717624   0                             4/13      7/13      8/13     10/13     10/12     12/13     12/12     14/13 
  7 v      2.509405    1.585280    0.717624   0                             1/22      5/13      6/13      9/13      9/12     12/13     12/12     15/22 
  8 v      1.967945    2.892070    0.717624   0                             2/16      5/13      6/13     10/13     10/12     11/13     11/12     16/16 
  9 v      2.892070    1.967945    1.558524   0                             1/23      5/13      5/14      7/13      7/14     11/13     12/13     15/22 
 10 v      1.585280    2.509405    1.558524   0                             2/17      6/13      6/14      8/13      8/14     11/13     12/13     16/16 
 11 v      2.509405    2.892070    1.558524   0                             3/26      5/13      5/14      8/13      8/14      9/13     10/13     13/25 
 12 v      1.967945    1.585280    1.558524   0                             4/14      6/13      6/14      7/13      7/14      9/13     10/13     14/13 
 13 v      0.092830    0.475495    0.964176   0                             1/14      1/13      3/14      3/13       5/1      11/1     15/13     16/13 
 14 v      1.399620    1.016955    0.964176   0                             2/14      2/13      4/14      4/13      6/13     12/13     15/13     16/13 
 15 v      0.475495    1.399620    0.964176   0                             1/14      1/13      4/14      4/13       7/4       9/4     13/13     14/13 
 16 v      1.016955    0.092830    0.964176   0                             2/14      2/13      3/14      3/13      8/10     10/10     13/13     14/13