# type topo
# cell     2.444000     1.813700     1.668500    90.000000    90.000000    90.000000
8
  1 v      0.821673    0.275682    0.117462   0                             2/12      2/13      3/13       5/9       7/9      7/10      8/10      8/13 
  2 v      0.400327    0.631168    0.951712   0                             1/14      1/13       4/4       6/4      7/10      7/13      8/14      8/13 
  3 v      1.622327    0.275682    0.716788   0                             1/13      4/12      4/13       5/9      5/10      6/10      6/13      7/10 
  4 v      2.043673    0.631168    1.551038   0                             2/22      3/14      3/13      5/13      5/10      6/14      6/13      8/23 
  5 v      1.622327    1.538018    1.551038   0                             1/17      3/17      3/16      4/13      4/16      6/14      6/13      7/13 
  6 v      2.043673    1.182532    0.716788   0                             2/22      3/16      3/13      4/12      4/13      5/12      5/13      8/22 
  7 v      0.821673    1.538018    0.951712   0                             1/17      1/16      2/16      2/13      3/16      5/13      8/14      8/13 
  8 v      0.400327    1.182532    0.117462   0                             1/16      1/13      2/12      2/13       4/3       6/4      7/12      7/13