# type topo
# cell     2.309600     2.309600     2.309600    90.000000    90.000000    90.000000
8
  1 s      0.000000    0.000000    0.000000   0                             5/13       6/1       7/3       8/9 
  2 s      1.154800    0.000000    0.000000   1                             5/13      6/10      7/12       8/9 
  3 s      0.000000    1.154800    0.000000   1                             5/13       6/4       7/3      8/12 
  4 s      0.000000    0.000000    1.154800   1                             5/13       6/1       7/4      8/10 
  5 s      0.577400    0.577400    0.577400   2                             1/13      2/13      3/13      4/13 
  6 s      1.732200    1.732200    0.577400   2                             1/25      2/16      3/22      4/25 
  7 s      1.732200    0.577400    1.732200   2                             1/23      2/14      3/23      4/22 
  8 s      0.577400    1.732200    1.732200   2                             1/17      2/17      3/14      4/16