# type topo
# cell     2.716900     2.716900     1.853400    90.000000    90.000000    90.000000
8
  1 s      0.188009    0.895219    0.000000   0                              2/4       5/3       5/4      7/13 
  2 s      2.528891    1.821681    0.000000   0                             1/22      6/22      6/21      8/13 
  3 s      1.821681    0.188009    0.926700   0                             4/10      5/13      8/10      8/11 
  4 s      0.895219    2.528891    0.926700   0                             3/16      6/13      7/17      7/16 
  5 s      2.528891    0.895219    0.926700   0                             1/23      1/22      3/13      6/22 
  6 s      0.188009    1.821681    0.926700   0                              2/4       2/5      4/13       5/4 
  7 s      0.895219    0.188009    0.000000   0                             1/13       4/9      4/10      8/10 
  8 s      1.821681    2.528891    0.000000   0                             2/13      3/16      3/15      7/16