# type topo
# cell     1.777000     1.777000     2.257300    90.000000    90.000000    90.000000
8
  1 i      0.353445    0.353445    0.353493   0                              2/1       3/9       4/3      7/13       7/4      8/13      8/10 
  2 i      1.423555    1.423555    0.353493   0                             1/25      3/21      4/15      7/13      7/16      8/13      8/22 
  3 i      0.353445    1.423555    1.903807   0                             1/17       2/5       4/7      5/13       5/4      6/16      6/13 
  4 i      1.423555    0.353445    1.903807   0                             1/23      2/11      3/19      5/13      5/10      6/22      6/13 
  5 i      1.241945    1.241945    1.482143   0                             3/13      3/22      4/13      4/16      6/13      7/13      8/13 
  6 i      0.535055    0.535055    1.482143   0                             3/10      3/13       4/4      4/13      5/13      7/13      8/13 
  7 i      1.241945    0.535055    0.775157   0                             1/13      1/22      2/13      2/10      5/13      6/13      8/13 
  8 i      0.535055    1.241945    0.775157   0                             1/13      1/16      2/13       2/4      5/13      6/13      7/13