# type topo
# cell     2.000000     2.000000     3.266000    90.000000    90.000000   120.000000
8
  1 o      0.000000    0.000000    0.000000   0                             3/13       4/4       5/1       6/0       7/9      8/12 
  2 o      0.000000    0.000000    1.633000   0                             3/13       4/4       5/1       6/1      7/10      8/13 
  3 o      0.499900    0.288733    0.816500   1                             1/13      2/13       4/4      4/13       5/1      5/13 
  4 o      1.500000    0.288560    0.816500   1                             1/22      2/22      3/22      3/13      5/10      5/13 
  5 o      1.000100    1.154758    0.816500   1                             1/25      2/25      3/25      3/13      4/16      4/13 
  6 o      0.500100    1.443318    2.449500   1                             1/26      2/25      7/22      7/13      8/25      8/13 
  7 o     -0.500000    1.443491    2.449500   1                             1/17      2/16       6/4      6/13      8/16      8/13 
  8 o     -0.000100    0.577293    2.449500   1                             1/14      2/13       6/1      6/13      7/10      7/13