# type topo
# cell     2.000000     2.000000     4.000000    90.000000    90.000000    90.000000
8
  1 n      0.000000    0.500000    0.000000   0                             6/13      6/10      8/12 
  2 n      1.000000    1.500000    2.000000   0                             5/16      5/13      7/13 
  3 n      0.000000    1.500000    1.000000   0                             6/13      7/13       7/4 
  4 n      1.000000    0.500000    3.000000   0                             5/13      8/22      8/13 
  5 n      1.000000    0.500000    2.000000   0                             2/10      2/13      4/13 
  6 n      0.000000    1.500000    0.000000   0                             1/13      1/16      3/13 
  7 n      1.000000    1.500000    1.000000   0                             2/13      3/13      3/22 
  8 n      0.000000    0.500000    3.000000   0                             1/14       4/4      4/13