# type topo
# cell     4.786500     2.376000     2.309700    90.000000    90.000000    90.000000
20
  1 s      0.000000    0.000000    0.577425   0                            13/13      14/1      19/4     20/10 
  2 s      2.393250    1.188000    1.732275   0                            15/13     16/13     17/14     18/14 
  3 s      0.000000    0.000000    1.732275   0                            13/13      14/1      19/5     20/11 
  4 s      2.393250    1.188000    0.577425   0                            15/13     16/13     17/13     18/13 
  5 s      1.037713    1.188000    0.577425   1                            13/13     15/13     18/13     20/13 
  6 s      3.748787    1.188000    0.577425   1                            14/13     16/13     17/13     19/13 
  7 s      1.355537    0.000000    1.732275   1                            13/13     15/10     18/14     20/11 
  8 s      3.430963    0.000000    1.732275   1                            14/10     16/13     17/11     19/14 
  9 s      3.748787    1.188000    1.732275   1                            14/13     16/13     17/14     19/14 
 10 s      1.037713    1.188000    1.732275   1                            13/13     15/13     18/14     20/14 
 11 s      3.430963    0.000000    0.577425   1                            14/10     16/13     17/10     19/13 
 12 s      1.355537    0.000000    0.577425   1                            13/13     15/10     18/13     20/10 
 13 o      0.677768    0.455242    1.154850   2                             1/13      3/13      5/13      7/13     10/13     12/13 
 14 o      4.108732    1.920758    1.154850   2                             1/25      3/25      6/13      8/16      9/13     11/16 
 15 o      1.715482    1.643242    1.154850   2                             2/13      4/13      5/13      7/16     10/13     12/16 
 16 o      3.071018    0.732758    1.154850   2                             2/13      4/13      6/13      8/13      9/13     11/13 
 17 o      3.071018    1.643242    0.000000   2                             2/12      4/13      6/13      8/15      9/12     11/16 
 18 o      1.715482    0.732758    0.000000   2                             2/12      4/13      5/13      7/12     10/12     12/13 
 19 o      4.108732    0.455242    0.000000   2                             1/22      3/21      6/13      8/12      9/12     11/13 
 20 o      0.677768    1.920758    0.000000   2                             1/16      3/15      5/13      7/15     10/12     12/16