# type topo
# cell     2.245300     2.245300     2.948500    90.000000    90.000000    90.000000
8
  1 s      0.000000    0.622622    0.974184   0                             2/13      5/13      7/13       8/4 
  2 s      0.000000    1.622678    0.974184   0                             1/13      6/13      7/16       8/7 
  3 s      1.622678    0.000000    2.448434   0                             4/13      5/22      6/19      8/14 
  4 s      0.622622    0.000000    2.448434   0                             3/13      5/13      6/10      7/14 
  5 s      0.000000    0.622622    1.974316   0                             1/13       3/4      4/13      6/13 
  6 s      0.000000    1.622678    1.974316   0                             2/13       3/7      4/16      5/13 
  7 s      0.622622    0.000000    0.500066   0                             1/13      2/10      4/12      8/13 
  8 s      1.622678    0.000000    0.500066   0                             1/22      2/19      3/12      7/13