# type topo
# cell     4.000100     4.000100     3.872800    90.000000    90.000000   120.000000
27
  1 n     -0.750019    1.299071    1.936400   0                            10/13     24/13      26/4 
  2 n      1.250031    2.165118    1.936400   0                            11/13     22/13     27/13 
  3 n      1.500038    0.000000    1.936400   0                            12/13     23/10     25/13 
  4 n      1.250031    2.453800    3.227333   0                            13/13     20/14     27/13 
  5 n     -0.750019    3.319847    3.227333   0                            14/13     21/17     25/16 
  6 n     -0.500012    1.154729    3.227333   0                            15/13     19/14      26/4 
  7 n      1.250031    0.144341    0.645467   0                            16/13     21/13     23/10 
  8 n      3.250081    1.010388    0.645467   0                            17/13     19/22     24/22 
  9 n      1.500037    2.309459    0.645467   0                            18/13     20/13     22/13 
 10 n     -1.250031    2.165118    1.936400   0                             1/13     23/13      27/4 
 11 n      0.750019    1.299071    1.936400   0                             2/13     24/13     25/13 
 12 n      2.500062    0.000000    1.936400   0                             3/13     22/10     26/13 
 13 n      0.750019    3.319847    3.227333   0                             4/13     21/17     26/16 
 14 n     -1.250031    2.453800    3.227333   0                             5/13     19/14      27/4 
 15 n      0.500013    1.154729    3.227333   0                             6/13     20/14     25/13 
 16 n      0.750019    1.010388    0.645467   0                             7/13     20/13     24/13 
 17 n      2.750069    0.144341    0.645467   0                             8/13     21/13     22/10 
 18 n      2.500062    2.309459    0.645467   0                             9/13     19/22     23/22 
 19 s     -1.000025    1.732094    0.000000   1                             6/12       8/4     14/12      18/4 
 20 s      1.000025    1.732094    0.000000   1                             4/12      9/13     15/12     16/13 
 21 s      2.000050    0.000000    0.000000   1                              5/9      7/13      13/9     17/13 
 22 s      1.000025    2.886824    1.290933   1                             2/13      9/13     12/16     17/16 
 23 s     -1.000025    2.886824    1.290933   1                             3/16      7/16     10/13      18/4 
 24 s      0.000000    1.154729    1.290933   1                             1/13       8/4     11/13     16/13 
 25 s      1.000025    0.577365    2.581867   1                             3/13      5/10     11/13     15/13 
 26 s      3.000075    0.577365    2.581867   1                             1/22      6/22     12/13     13/10 
 27 s      2.000050    2.309459    2.581867   1                             2/13      4/13     10/22     14/22