# type topo
# cell     1.970000     3.889900     1.000000    90.000000    90.000000    90.000000
8
  1 o      0.000000    0.472623    0.163600   0                             2/13      1/14      1/12      7/13       7/4       4/9 
  2 o      0.000000    1.472327    0.163600   0                             1/13      2/14      2/12      8/13       8/4      3/12 
  3 o      0.000000    2.417573    0.836400   0                             2/14      4/13      3/14      3/12      5/13       5/4 
  4 o      0.000000    3.417277    0.836400   0                             1/17      3/13      4/14      4/12      6/13       6/4 
  5 o      0.985000    2.417573    0.663600   0                             3/13      3/22      6/13      5/14      5/12      8/13 
  6 o      0.985000    3.417277    0.663600   0                             4/13      4/22      5/13      6/14      6/12      7/16 
  7 o      0.985000    0.472623    0.336400   0                             1/13      1/22      6/10      8/13      7/14      7/12 
  8 o      0.985000    1.472327    0.336400   0                             2/13      2/22      5/13      7/13      8/14      8/12