# type topo
# cell     5.356300     5.356300     2.469800    90.000000    90.000000   120.000000
18
  1 n     -1.339075    2.319346    0.499888   0                             6/12     13/13     16/13 
  2 n      1.339075    2.319346    0.499888   0                             5/12     14/13     17/13 
  3 n      2.678150    0.000000    0.499888   0                             4/12     15/13     18/13 
  4 n      2.678150    0.000000    1.969912   0                             3/14     15/13     18/13 
  5 n      1.339075    2.319346    1.969912   0                             2/14     14/13     17/13 
  6 n     -1.339075    2.319346    1.969912   0                             1/14     13/13     16/13 
  7 n     -0.500011    0.866044    1.234900   1                            11/13      12/4     13/13 
  8 n      2.178139    3.772648    1.234900   1                            10/22     12/16     14/13 
  9 n      1.000021    0.000000    1.234900   1                            10/10     11/13     15/13 
 10 n     -2.178139    3.772648    1.234900   1                              8/4      9/16     16/13 
 11 n      0.500011    0.866044    1.234900   1                             7/13      9/13     17/13 
 12 n      4.356279    0.000000    1.234900   1                             7/22      8/10     18/13 
 13 n     -1.000021    1.732088    1.234900   2                             1/13      6/13      7/13 
 14 n      1.678129    2.906604    1.234900   2                             2/13      5/13      8/13 
 15 n      2.000042    0.000000    1.234900   2                             3/13      4/13      9/13 
 16 n     -1.678129    2.906604    1.234900   2                             1/13      6/13     10/13 
 17 n      1.000021    1.732088    1.234900   2                             2/13      5/13     11/13 
 18 n      3.356258    0.000000    1.234900   2                             3/13      4/13     12/13