# type topo
# cell     1.000000     1.837300     1.903600    90.000000   105.207000    90.000000
4
  1 v      0.250012    0.305910    0.306402   0                              3/9       3/0       1/4      1/22      2/10      2/13      4/12      4/13 
  2 v      0.500324    1.224560    0.612070   0                             1/16      1/13      4/13      4/22       2/4      2/22      3/13      3/12 
  3 v      0.250660    1.531390    1.530542   0                             1/17      1/26      2/13      2/14       3/4      3/22      4/13      4/16 
  4 v      0.000348    0.612740    1.224875   0                             1/14      1/13      2/13       2/4      3/13      3/10      4/22       4/4