# type topo
# cell     2.773200     2.773200     5.314200    90.000000    90.000000    90.000000
12
  1 s      0.000000    0.000000    0.000000   0                             5/13       6/4       7/9      8/12 
  2 s      1.386600    1.386600    2.657100   0                             9/13     10/13     11/13     12/13 
  3 s      1.386600    0.000000    1.328550   1                             5/13      6/13     11/13     12/10 
  4 s      0.000000    1.386600    3.985650   1                             7/13      8/13       9/4     10/13 
  5 n      0.500008    0.000000    0.866215   2                             1/13      3/13       6/4 
  6 n      2.273192    0.000000    0.866215   2                             1/22      3/13      5/22 
  7 n      0.000000    2.273192    4.447985   2                             1/17      4/13      8/16 
  8 n      0.000000    0.500008    4.447985   2                             1/14      4/13      7/10 
  9 n      1.886608    1.386600    3.523315   2                             2/13      4/22     10/13 
 10 n      0.886592    1.386600    3.523315   2                             2/13      4/13      9/13 
 11 n      1.386600    0.886592    1.790885   2                             2/13      3/13     12/13 
 12 n      1.386600    1.886608    1.790885   2                             2/13      3/16     11/13