# type topo
# cell     2.712500     2.712500     3.402400    90.000000    90.000000    90.000000
16
  1 o      0.000000    1.356250    0.980572   0                             5/13       6/4     11/13      12/4     13/13     14/13 
  2 o      1.356250    0.000000    2.681772   0                             7/13      8/10      9/10     10/13     15/14     16/14 
  3 o      0.000000    1.356250    2.421828   0                              7/4      8/13       9/4     10/13     13/13     14/13 
  4 o      1.356250    0.000000    0.720628   0                             5/13      6/10     11/10     12/13     15/13     16/13 
  5 o      0.499914    0.499914    0.850600   1                             1/13      4/13     11/10      12/4     13/13     16/13 
  6 o      2.212586    2.212586    0.850600   1                             1/22      4/16     11/22     12/16     14/22     15/16 
  7 o      2.212586    0.499914    2.551800   1                             2/13      3/22      9/10     10/22     13/22     15/14 
  8 o      0.499914    2.212586    2.551800   1                             2/16      3/13       9/4     10/16     14/13     16/17 
  9 o      2.212586    2.212586    2.551800   1                             2/16      3/22      7/16      8/22     14/22     15/17 
 10 o      0.499914    0.499914    2.551800   1                             2/13      3/13       7/4      8/10     13/13     16/14 
 11 o      0.499914    2.212586    0.850600   1                             1/13      4/16      5/16       6/4     14/13     16/16 
 12 o      2.212586    0.499914    0.850600   1                             1/22      4/13      5/22      6/10     13/22     15/13 
 13 o      0.000000    0.662935    1.701200   2                             1/13      3/13      5/13       7/4     10/13      12/4 
 14 o      0.000000    2.049565    1.701200   2                             1/13      3/13       6/4      8/13       9/4     11/13 
 15 o      2.049565    0.000000    0.000000   2                             2/12      4/13      6/10      7/12       9/9     12/13 
 16 o      0.662935    0.000000    0.000000   2                             2/12      4/13      5/13       8/9     10/12     11/10