# type topo
# cell     2.700600     2.700600     1.857900    90.000000    90.000000    90.000000
16
  1 v      2.693308    0.860411    0.099212   0                             3/19      4/22      7/13      9/21     11/12     12/12     13/13     13/12 
  2 v      1.357592    0.489889    0.099212   0                             3/10      4/13      8/13      10/9     11/12     12/12     14/13     14/12 
  3 v      0.489889    2.693308    0.099212   0                              1/7      2/16      5/13      9/12     10/12      11/6     16/13     16/12 
  4 v      0.860411    1.357592    0.099212   0                              1/4      2/13      6/13      9/12     10/12     12/12     15/13     15/12 
  5 v      0.007292    2.210711    0.829738   0                             3/13       7/4       8/7      9/13      9/12      13/7     15/13     16/13 
  6 v      1.343008    1.840189    0.829738   0                             4/13      7/13      8/16     10/13     10/12     14/13     15/13     16/13 
  7 v      2.210711    1.343008    0.829738   0                             1/13      5/22      6/13     12/13     12/12     13/13     14/13     15/22 
  8 v      1.840189    0.007292    0.829738   0                             2/13      5/19      6/10     11/13     11/12     13/13     14/13     16/10 
  9 v      0.007292    1.840189    1.758688   0                              1/5      3/14      4/14      5/13      5/14      11/7      12/4     15/13 
 10 v      1.343008    2.210711    1.758688   0                             2/17      3/14      4/14      6/13      6/14     11/16     12/13     16/13 
 11 v      2.210711    0.007292    1.758688   0                             1/14      2/14      3/20      8/13      8/14      9/19     10/10     13/13 
 12 v      1.840189    1.343008    1.758688   0                             1/14      2/14      4/14      7/13      7/14      9/22     10/13     14/13 
 13 v      2.693308    0.489889    1.028162   0                             1/13      1/14      5/19      7/13      8/13     11/13     15/22     16/19 
 14 v      1.357592    0.860411    1.028162   0                             2/13      2/14      6/13      7/13      8/13     12/13     15/13     16/10 
 15 v      0.489889    1.357592    1.028162   0                             4/13      4/14      5/13      6/13       7/4      9/13      13/4     14/13 
 16 v      0.860411    2.693308    1.028162   0                             3/13      3/14      5/13      6/13      8/16     10/13      13/7     14/16