# type topo
# cell     2.863400     2.863400     1.638900    90.000000    90.000000    90.000000
8
  1 s      0.931750    2.576774    0.000000   0                             5/13      6/16      6/15      8/13 
  2 s      1.931650    0.286626    0.819450   0                             5/10      5/11      6/13      7/13 
  3 s      0.286626    0.931750    0.409725   0                             6/13       7/3       7/4      8/13 
  4 s      2.576774    1.931650    1.229175   0                             5/14      7/13      8/23      8/22 
  5 s      1.931650    2.576774    0.000000   0                             1/13      2/16      2/15      4/12 
  6 s      0.931750    0.286626    0.819450   0                             1/10      1/11      2/13      3/13 
  7 s      2.576774    0.931750    1.229175   0                             2/13      3/23      3/22      4/13 
  8 s      0.286626    1.931650    0.409725   0                             1/13      3/13       4/3       4/4