# type topo
# cell     2.527800     1.804300     3.664700    90.000000    90.000000    90.000000
16
  1 o      0.416329    0.277140    1.332485   0                              2/1      8/10     10/13     12/13     12/10     13/13 
  2 o      2.111471    1.527160    1.332485   0                             1/25      7/16      9/13     11/13     11/16     14/13 
  3 o      0.847571    1.179290    2.332215   0                             4/13      6/13     10/13     10/16     12/13     15/13 
  4 o      1.680229    0.625010    2.332215   0                             3/13      5/13      9/10      9/13     11/13     16/13 
  5 o      1.680229    1.179290    3.164835   0                             4/13      6/13      9/13     14/14     16/13     16/16 
  6 o      0.847571    0.625010    3.164835   0                             3/13      5/13     10/13     13/14     15/13     15/10 
  7 o      2.111471    0.277140    0.499865   0                             2/10      8/19     11/13     14/13     14/10     16/12 
  8 o      0.416329    1.527160    0.499865   0                             1/16       7/7     12/13     13/13     13/16     15/12 
  9 o      2.111471    1.527160    2.332215   0                             2/13      4/16      4/13      5/13     10/25     16/16 
 10 o      0.416329    0.277140    2.332215   0                             1/13      3/13      3/10      6/13       9/1     15/10 
 11 o      1.680229    0.625010    1.332485   0                             2/13      2/10      4/13      7/13     12/13     14/13 
 12 o      0.847571    1.179290    1.332485   0                             1/13      1/16      3/13      8/13     11/13     13/13 
 13 o      0.847571    0.625010    0.499865   0                             1/13      6/12      8/13      8/10     12/13     14/13 
 14 o      1.680229    1.179290    0.499865   0                             2/13      5/12      7/13      7/16     11/13     13/13 
 15 o      0.416329    1.527160    3.164835   0                             3/13      6/13      6/16      8/14     10/16      16/7 
 16 o      2.111471    0.277140    3.164835   0                             4/13      5/13      5/10      7/14      9/10     15/19