# type topo
# cell     1.954100     1.954100     1.872700    90.000000    90.000000   120.000000
8
  1 x12    0.977148    0.564044    0.468175   0                             4/10      4/13      3/22      3/13      8/13      8/12      5/10      5/22      6/13      6/12      7/13      7/12 
  2 x12   -0.000098    1.128257    1.404525   0                             7/16      7/13       6/4      6/13      5/13      5/14      8/16       8/4      3/14      3/13      4/13      4/14 
  3 s      0.000000    0.777104    0.468175   1                              1/4      1/13      2/12      2/13 
  4 s      0.304058    1.303748    0.468175   1                             1/16      1/13      2/13      2/12 
  5 s     -0.304058    1.303748    0.468175   1                             1/16       1/4      2/13      2/12 
  6 s      0.977050    0.915196    1.404525   1                             1/13      1/14      2/22      2/13 
  7 s      0.672992    0.388552    1.404525   1                             1/13      1/14      2/10      2/13 
  8 s      1.281108    0.388552    1.404525   1                             1/13      1/14      2/10      2/22