# type topo
# cell     5.562400     5.562400     2.632800    90.000000    90.000000   120.000000
18
  1 n      0.577377    0.000000    0.000000   0                             2/13       3/1     10/13 
  2 n     -0.288689    0.500023    0.000000   0                             1/13       3/1     11/13 
  3 n      2.492511    4.317156    0.000000   0                             1/25      2/25     12/13 
  4 n      3.358577    1.605727    0.877600   0                             5/13      6/13     13/13 
  5 n      2.492511    2.105750    0.877600   0                             4/13      6/13     14/13 
  6 n      2.492511    1.105703    0.877600   0                             4/13      5/13     15/13 
  7 n      0.577377    3.211453    1.755200   0                             8/13      9/13     16/13 
  8 n     -0.288689    3.711476    1.755200   0                             7/13      9/13     17/13 
  9 n     -0.288689    2.711430    1.755200   0                             7/13      8/13     18/13 
 10 n      1.577497    0.000000    0.000000   1                             1/13     15/13      17/9 
 11 n     -0.788748    1.366152    0.000000   1                             2/13      13/4     18/12 
 12 n      1.992452    3.451028    0.000000   1                             3/13     14/13     16/12 
 13 n      4.358697    1.605727    0.877600   1                             4/13     11/22     18/22 
 14 n      1.992452    2.971879    0.877600   1                             5/13     12/13     16/13 
 15 n      1.992452    0.239574    0.877600   1                             6/13     10/13     17/10 
 16 n      1.577497    3.211453    1.755200   1                             7/13     12/14     14/13 
 17 n     -0.788748    4.577605    1.755200   1                             8/13     10/17     15/16 
 18 n     -0.788748    1.845301    1.755200   1                             9/13     11/14      13/4