# type topo
# cell     2.309200     2.309700     2.309300    90.000000    90.000000    90.000000
8
  1 s      0.000000    0.000000    0.000000   0                             5/13       6/4       7/0       8/9 
  2 s      0.000000    1.154850    0.000000   0                             5/13       6/4       7/3      8/12 
  3 s      1.154600    1.154850    1.154650   0                             5/13      6/13      7/13      8/13 
  4 s      1.154600    0.000000    1.154650   0                             5/13      6/13      7/10      8/10 
  5 s      0.577300    0.577425    0.577325   1                             1/13      2/13      3/13      4/13 
  6 s      1.731900    0.577425    0.577325   1                             1/22      2/22      3/13      4/13 
  7 s      1.731900    1.732275    1.731975   1                             1/26      2/23      3/13      4/16 
  8 s      0.577300    1.732275    1.731975   1                             1/17      2/14      3/13      4/16