# type topo
# cell     3.145600     3.145600     2.195500    90.000000    90.000000   120.000000
18
  1 i      0.804487    0.308648    0.843950   0                             6/13      8/10     11/10     12/13     13/12     17/13     18/10 
  2 i      2.476059    0.542382    0.843950   0                             4/13      9/22     10/10     12/22     14/12     16/22     18/10 
  3 i      1.437854    1.873139    0.843950   0                             5/13      7/13     10/13     11/22     15/12     16/22     17/13 
  4 i      2.377287    1.216705    1.575784   0                             2/13      9/23     11/22     12/22     14/13     15/13     16/22 
  5 i      0.903259    1.450439    1.575784   0                             3/13      7/14     10/13     12/13     13/13     15/13     17/13 
  6 i      1.437854    0.057026    1.575784   0                             1/13      8/11     10/10     11/10     13/13     14/13     18/10 
  7 i      0.804487    2.124761    0.112117   0                             3/13      5/12     10/12     14/15     15/12     17/13     18/13 
  8 i     -0.669541    2.358495    0.112117   0                             1/16      6/15     11/12     13/15      15/3     16/13     18/13 
  9 i     -0.134946    0.965082    0.112117   0                              2/4       4/3     12/12     13/12      14/3     16/13     17/13 
 10 i      0.768313    2.415521    1.351550   0                             2/16      3/13      5/13      6/16      7/14     14/16     18/13 
 11 i     -0.903259    2.181787    1.351550   0                             1/16       3/4       4/4      6/16      8/14      15/4     16/13 
 12 i      0.134946    0.851031    1.351550   0                             1/13       2/4       4/4      5/13      9/14     13/13     17/13 
 13 i      0.768313    0.599408    2.083383   0                             1/14      5/13      6/13      8/11      9/14     12/13     17/14 
 14 i      2.242341    0.365674    2.083383   0                             2/14      4/13      6/13      7/11      9/23     10/10     18/11 
 15 i      1.707746    1.759087    2.083383   0                             3/14      4/13      5/13      7/14      8/23     11/22     16/23 
 16 i     -0.804487    1.507465    0.619716   0                              2/4       3/4       4/4      8/13      9/13     11/13      15/3 
 17 i      0.669541    1.273731    0.619716   0                             1/13      3/13      5/13      7/13      9/13     12/13     13/12 
 18 i      0.134946    2.667144    0.619716   0                             1/16      2/16      6/16      7/13      8/13     10/13     14/15