# type topo
# cell     2.738900     2.738900     1.000000    90.000000    90.000000    90.000000
8
  1 o      0.000000    0.000000    0.000000   0                             1/14      1/12      4/12      3/10       7/3       8/1 
  2 o      1.369450    0.000000    0.500000   0                             2/14      2/12      7/13      8/10      4/13      3/10 
  3 o      0.684725    2.054175    0.250000   0                             1/16      2/16      3/14      3/12      5/13      6/13 
  4 o      0.684725    0.684725    0.750000   0                             1/14      2/13      4/14      4/12      5/13      6/14 
  5 o      1.369450    1.369450    0.500000   0                             3/13      4/13      5/14      5/12      7/13      8/13 
  6 o      0.000000    1.369450    0.000000   0                             3/13      4/12      6/14      6/12       8/4       7/3 
  7 o      2.054175    0.684725    0.750000   0                             1/23      2/13      5/13      6/23      7/14      7/12 
  8 o      2.054175    2.054175    0.250000   0                             1/25      2/16      5/13      6/22      8/14      8/12