# type topo
# cell     3.000000     3.000000     1.000000    90.000000    90.000000    90.000000
8
  1 s      0.500100    0.500100    0.000000   0                             5/13      7/13       3/4      4/10 
  2 s      2.499900    2.499900    0.000000   0                             8/13      6/13      3/16      4/22 
  3 s      2.499900    0.500100    0.000000   0                             1/22      2/10      6/13      7/13 
  4 s      0.500100    2.499900    0.000000   0                             1/16       2/4      8/13      5/13 
  5 s      0.500100    1.500000    0.000000   1                             1/13      4/13      5/14      5/12 
  6 s      2.499900    1.500000    0.000000   1                             2/13      3/13      6/14      6/12 
  7 s      1.500000    0.500100    0.000000   1                             1/13      3/13      7/14      7/12 
  8 s      1.500000    2.499900    0.000000   1                             2/13      4/13      8/14      8/12