# type topo
# cell     2.994600     2.994600     2.667500    90.000000    90.000000   120.000000
18
  1 o      1.262523    0.000000    0.666875   0                             6/10      8/12     14/10     15/10     17/13     18/13 
  2 o     -0.631262    1.093377    0.666875   0                             4/13       9/3     13/13     15/13      16/4      18/4 
  3 o      0.866038    1.500022    0.666875   0                             5/13      7/12     13/13     14/13     16/13     17/13 
  4 o     -0.234777    0.864467    1.556042   0                             2/13       9/4     11/13     12/13     17/13      18/4 
  5 o      0.866038    1.957844    1.556042   0                             3/13      7/13     10/16     12/13     16/13     18/16 
  6 o     -0.631262    2.364489    1.556042   0                             1/16      8/16     10/16     11/13      16/4     17/16 
  7 o      1.262523    1.728933    2.445208   0                             3/14      5/13     11/22     12/13     14/14     15/23 
  8 o      0.866038    0.228911    2.445208   0                             1/14      6/10     10/13     12/13     13/14     15/11 
  9 o      2.363338    0.635556    2.445208   0                             2/23      4/22     10/13     11/22     13/23     14/11 
 10 o      1.732077    0.000000    2.000625   0                             5/10      6/10      8/13      9/13     14/11     18/13 
 11 o     -0.866038    1.500022    2.000625   0                             4/13      6/13       7/4       9/4     15/14      16/4 
 12 o      0.631262    1.093377    2.000625   0                             4/13      5/13      7/13      8/13     13/14     17/13 
 13 o      0.234777    0.864467    0.222292   0                             2/13      3/13      8/12       9/3     12/12     17/13 
 14 o      0.631262    2.364489    0.222292   0                             1/16      3/13      7/12      9/15     10/15     18/16 
 15 o     -0.866038    1.957844    0.222292   0                             1/16      2/13       7/3      8/15     11/12      16/4 
 16 o      1.732077    1.728933    1.111458   0                             2/22      3/13      5/13      6/22     11/22     15/22 
 17 o      0.631262    0.635556    1.111458   0                             1/13      3/13      4/13      6/10     12/13     13/13 
 18 o      2.128562    0.228911    1.111458   0                             1/13      2/22      4/22      5/10     10/13     14/10