# type topo
# cell     4.123100     1.518500     1.808800    90.000000    90.000000    90.000000
8
  1 s      1.030775    0.545901    0.000000   0                             2/12      2/13      5/13      6/12 
  2 s      1.030775    0.972599    0.904400   0                             1/14      1/13      5/16      6/16 
  3 s      3.092325    1.305151    0.904400   0                             4/17      4/16      7/13      8/13 
  4 s      3.092325    0.213349    0.000000   0                              3/9      3/10      7/13      8/12 
  5 s      0.325313    0.000000    0.452200   1                             1/13      2/10       7/1       7/4 
  6 s      1.736237    0.000000    1.356600   1                             1/14      2/10      8/13      8/10 
  7 s      3.797787    0.759250    0.452200   1                             3/13      4/13      5/25      5/22 
  8 s      2.386863    0.759250    1.356600   1                             3/13      4/14      6/13      6/16