# type topo
# cell     1.633000     1.633000     4.618900    90.000000    90.000000    90.000000
12
  1 v      0.000000    0.000000    0.577363   0                             5/13       5/4      6/13      6/10     11/13     11/10     12/13      12/4 
  2 v      0.000000    0.000000    4.041538   0                              5/5      5/14      6/14      6/11      9/13      9/10     10/13      10/4 
  3 v      0.816500    0.816500    2.886813   0                             7/13      7/22      8/13      8/16      9/13      9/22     10/13     10/16 
  4 v      0.816500    0.816500    1.732088   0                             7/13      7/22      8/13      8/16     11/13     11/22     12/13     12/16 
  5 s      0.816500    0.000000    0.000000   1                             1/13      1/22      2/21      2/12 
  6 s      0.000000    0.816500    0.000000   1                             1/13      1/16      2/12      2/15 
  7 s      0.000000    0.816500    2.309450   1                             3/13       3/4      4/13       4/4 
  8 s      0.816500    0.000000    2.309450   1                             3/13      3/10      4/13      4/10 
  9 s      0.000000    0.816500    3.464175   2                             2/13      2/16      3/13       3/4 
 10 s      0.816500    0.000000    3.464175   2                             2/13      2/22      3/13      3/10 
 11 s      0.000000    0.816500    1.154725   2                             1/13      1/16      4/13       4/4 
 12 s      0.816500    0.000000    1.154725   2                             1/13      1/22      4/13      4/10