# type topo
# cell     2.732100     2.732100     1.414200    90.000000    90.000000    90.000000
8
  1 s      0.000000    0.000000    0.000000   0                             5/13       6/1       7/4      8/10 
  2 s      1.366050    1.366050    0.000000   0                             5/13      6/13      7/13      8/13 
  3 s      1.366050    0.000000    0.707100   1                             7/13      7/14      8/10      8/11 
  4 s      0.000000    1.366050    0.707100   1                             5/13      5/14       6/4       6/5 
  5 s      0.499974    0.866076    0.000000   2                             1/13      2/13      4/13      4/12 
  6 s      2.232126    1.866024    0.000000   2                             1/25      2/13      4/22      4/21 
  7 s      1.866024    0.499974    0.000000   2                             1/22      2/13      3/13      3/12 
  8 s      0.866076    2.232126    0.000000   2                             1/16      2/13      3/16      3/15