# type topo
# cell     6.415200     6.415200     3.460800    90.000000    90.000000   120.000000
18
  1 s      0.000000    0.577796    1.230314   0                              2/1      3/10      4/13      7/13 
  2 s      2.707214    5.266828    1.230314   0                             1/25      3/22      5/13      8/13 
  3 s     -2.707214    5.266828    1.230314   0                             1/16       2/4      6/13      9/13 
  4 s      0.000000    0.577796    2.230486   0                             1/13       5/1      6/10     10/13 
  5 s      2.707214    5.266828    2.230486   0                             2/13      4/25      6/22     11/13 
  6 s     -2.707214    5.266828    2.230486   0                             3/13      4/16       5/4     12/13 
  7 n      0.000000    1.260039    0.500086   1                             1/13     10/12     16/13 
  8 n      2.116374    4.925707    0.500086   1                             2/13     11/12     17/13 
  9 n     -2.116374    4.925707    0.500086   1                             3/13     12/12     18/13 
 10 n      0.000000    1.260039    2.960714   1                             4/13      7/14     16/14 
 11 n      2.116374    4.925707    2.960714   1                             5/13      8/14     17/14 
 12 n     -2.116374    4.925707    2.960714   1                             6/13      9/14     18/14 
 13 n      0.000000    3.126763    0.000000   2                            14/13     15/13     16/13 
 14 n      0.499744    3.992345    0.000000   2                            13/13     15/13     17/13 
 15 n     -0.499744    3.992345    0.000000   2                            13/13     14/13     18/13 
 16 n      0.000000    2.126732    0.000000   3                             7/13     10/12     13/13 
 17 n      1.365796    4.492360    0.000000   3                             8/13     11/12     14/13 
 18 n     -1.365796    4.492360    0.000000   3                             9/13     12/12     15/13