# type topo
# cell     2.740700     2.740700     2.908300    90.000000    90.000000   120.000000
18
  1 i      0.785896    0.060999    1.146452   0                             6/13      8/10     11/10     12/13     16/10     17/13     18/10 
  2 i      2.294925    0.650106    1.146452   0                             4/13      9/22     10/10     12/22     16/22     17/22     18/10 
  3 i      1.030229    1.662410    1.146452   0                             5/13      7/13     10/13     11/22     16/22     17/13     18/13 
  4 i      2.156246    0.852171    2.115885   0                             2/13      9/23     10/10     11/22     12/22     14/13     15/13 
  5 i      0.924575    1.441278    2.115885   0                             3/13      7/14     10/13     11/22     12/13     13/13     15/13 
  6 i      1.030229    0.080067    2.115885   0                             1/13      8/11     10/10     11/10     12/13     13/13     14/13 
  7 i      0.785896    1.643343    0.177019   0                             3/13      5/12     13/12     14/15     15/12     17/13     18/13 
  8 i     -0.445775    2.232450    0.177019   0                             1/16      6/15     13/15     14/15      15/3     16/13     18/13 
  9 i     -0.340121    0.871239    0.177019   0                              2/4       4/3     13/12      14/3      15/3     16/13     17/13 
 10 i      0.584454    2.312516    1.761848   0                             2/16      3/13      4/16      5/13      6/16     14/16     18/13 
 11 i     -0.924575    1.723410    1.761848   0                             1/16       3/4       4/4       5/4      6/16      15/4     16/13 
 12 i      0.340121    0.711105    1.761848   0                             1/13       2/4       4/4      5/13      6/13     13/13     17/13 
 13 i      0.584454    0.730173    2.731281   0                             5/13      6/13      7/14      8/11      9/14     12/13     17/14 
 14 i      1.816125    0.141066    2.731281   0                             4/13      6/13      7/11      8/11      9/23     10/10     18/11 
 15 i      1.710471    1.502277    2.731281   0                             4/13      5/13      7/14      8/23      9/23     11/22     16/23 
 16 i     -0.785896    1.521345    0.792415   0                             1/16       2/4       3/4      8/13      9/13     11/13      15/3 
 17 i      0.445775    0.932238    0.792415   0                             1/13       2/4      3/13      7/13      9/13     12/13     13/12 
 18 i      0.340121    2.293449    0.792415   0                             1/16      2/16      3/13      7/13      8/13     10/13     14/15