# type topo
# cell     1.873100     1.873100     1.923400    90.000000    90.000000    90.000000
8
  1 v      0.371436    0.371436    0.334864   0                              3/9       4/3      6/12      6/13      7/13       7/4      8/13      8/10 
  2 v      1.501664    1.501664    0.334864   0                             3/21      4/15      5/13      5/12      7/16      7/13      8/13      8/22 
  3 v      0.371436    1.501664    1.588536   0                             1/17       2/5      5/13       5/4      6/13      6/16      8/14      8/13 
  4 v      1.501664    0.371436    1.588536   0                             1/23      2/11      5/13      5/10      6/13      6/22      7/14      7/13 
  5 v      1.307986    1.307986    1.296564   0                             2/13      2/14      3/13      3/22      4/13      4/16      7/13      8/13 
  6 v      0.565114    0.565114    1.296564   0                             1/14      1/13      3/13      3/10      4/13       4/4      7/13      8/13 
  7 v      1.307986    0.565114    0.626836   0                             1/13      1/22      2/10      2/13      4/12      4/13      5/13      6/13 
  8 v      0.565114    1.307986    0.626836   0                             1/13      1/16      2/13       2/4      3/12      3/13      5/13      6/13