# type topo
# cell     1.931900     1.931900     1.861300    90.000000    90.000000    90.000000
8
  1 i      0.353538    1.319488    0.000000   0                              2/4      3/13      3/16      4/13       4/4      8/13      8/12 
  2 i      1.578362    0.612412    0.000000   0                             1/22      3/13      3/22      4/13      4/10      7/13      7/12 
  3 i      0.612412    0.353538    0.000000   0                             1/13      1/10      2/13       2/4      4/10      6/13      6/12 
  4 i      1.319488    1.578362    0.000000   0                             1/13      1/22      2/13      2/16      3/16      5/13      5/12 
  5 i      1.578362    1.319488    0.930650   0                             4/13      4/14      6/22      7/13      7/16      8/13      8/22 
  6 i      0.353538    0.612412    0.930650   0                             3/13      3/14       5/4      7/13       7/4      8/13      8/10 
  7 i      1.319488    0.353538    0.930650   0                             2/13      2/14      5/13      5/10      6/13      6/22      8/10 
  8 i      0.612412    1.578362    0.930650   0                             1/13      1/14      5/13       5/4      6/13      6/16      7/16