# type topo
# cell     1.000000     1.000000     3.464000    90.000000    90.000000    90.000000
4
  1 v      0.000000    0.750000    0.433000   0                             4/15      4/12      3/13       3/4      1/22       1/4      1/16      1/10 
  2 v      0.500000    0.250000    2.165000   0                             3/13      3/10      4/13      4/22      2/16      2/10      2/22       2/4 
  3 v      0.500000    0.750000    1.299000   0                             1/13      1/22      2/13      2/16      3/22       3/4      3/16      3/10 
  4 v      0.000000    0.250000    3.031000   0                             1/11      1/14      2/13       2/4      4/22       4/4      4/16      4/10