# type topo
# cell     2.000000     2.000000     3.000000    90.000000    90.000000   120.000000
6
  1 n      1.000000    0.000000    0.500100   0                             5/12      6/13      6/10 
  2 n     -0.500000    0.866025    2.500100   0                             4/13      5/16       5/4 
  3 n      0.500000    0.866025    1.500100   0                             4/13      4/22      6/13 
  4 n     -0.500000    0.866025    1.499900   0                             2/13      3/13       3/4 
  5 n      1.000000    0.000000    2.499900   0                             1/14      2/10      2/22 
  6 n      0.500000    0.866025    0.499900   0                             1/13      1/16      3/13