# type topo
# cell     3.936800     3.936800     1.000000    90.000000    90.000000    90.000000
16
  1 o      0.499974    0.484226    0.875000   0                            12/13      14/4      1/14      1/12      3/11      4/13 
  2 o      1.468426    3.452574    0.375000   0                            13/13     11/13      2/14      2/12      4/16      3/13 
  3 o      0.499974    3.452574    0.125000   0                             1/15      2/13     15/13       9/4      3/14      3/12 
  4 o      1.468426    0.484226    0.625000   0                             1/13      2/10     16/13     10/13      4/14      4/12 
  5 o      2.468374    2.452626    0.375000   0                            11/13     13/13      5/14      5/12      8/13      7/13 
  6 o      3.436826    1.484174    0.875000   0                            14/13     12/22      6/14      6/12      7/13      8/14 
  7 o      2.468374    1.484174    0.625000   0                             5/13      6/13     10/13     16/13      7/14      7/12 
  8 o      3.436826    2.452626    0.125000   0                             5/13      6/12      9/13     15/22      8/14      8/12 
  9 o      3.436826    3.452574    0.125000   0                             3/22      8/13      9/14      9/12     13/13     14/15 
 10 o      2.468374    0.484226    0.625000   0                             4/13      7/13     10/14     10/12     13/10     14/13 
 11 o      1.468426    2.452626    0.375000   0                             2/13      5/13     11/14     11/12     16/13     15/13 
 12 o      0.499974    1.484174    0.875000   0                             1/13       6/4     12/14     12/12     15/14     16/13 
 13 o      2.468374    3.452574    0.375000   0                             2/13      5/13      9/13     10/16     13/14     13/12 
 14 o      3.436826    0.484226    0.875000   0                             1/22      6/13      9/11     10/13     14/14     14/12 
 15 o      0.499974    2.452626    0.125000   0                             3/13       8/4     11/13     12/12     15/14     15/12 
 16 o      1.468426    1.484174    0.625000   0                             4/13      7/13     11/13     12/13     16/14     16/12