# type topo
# cell     1.873100     1.873100     3.834400    90.000000    90.000000   120.000000
12
  1 v      0.762914    0.100249    1.426397   0                             5/10      6/13      8/10      9/10      9/13      10/1     10/13     11/13 
  2 v      1.404825    0.610578    2.704530   0                             4/10      6/22      7/22      8/22      8/10     10/13     12/22     12/13 
  3 v      0.641911    0.911325    0.148263   0                             4/12      5/22      7/21      7/12      9/13     11/16     11/13     12/12 
  4 v      0.173636    1.521903    3.343597   0                             2/16      3/14      7/25      7/13      8/13     11/17     12/13     12/16 
  5 v     -0.468275    1.011574    0.787330   0                             1/16       3/4      7/12       9/4      9/13      10/4      11/4     11/16 
  6 v      0.294639    0.710827    2.065463   0                             1/13       2/4      8/13      8/10      9/13     10/13      10/4     12/13 
  7 v     -0.294639    0.710827    3.686137   0                              2/4       3/5      3/14       4/1      4/13      5/14      11/5     12/13 
  8 v     -0.173636    1.521903    2.408003   0                             1/16       2/4      2/16      4/13      6/13      6/16      10/4     12/16 
  9 v      0.468275    1.011574    1.129870   0                             1/16      1/13      3/13      5/22      5/13      6/13     10/13     11/16 
 10 v      1.231189    0.911325    1.768937   0                             1/25      1/13      2/13      5/22      6/13      6/22      8/22      9/13 
 11 v      1.110186    0.100249    0.490803   0                             1/13      3/10      3/13       4/9      5/22      5/10      7/21      9/10 
 12 v      0.468275    0.610578    3.047070   0                              2/4      2/13      3/14      4/13      4/10      6/13      7/13      8/10