# type topo
# cell     4.414100     4.414100     1.672300    90.000000    90.000000   120.000000
8
  1 n     -0.000221    2.548609    0.418075   0                             3/13      4/13      5/13 
  2 n      2.207271    1.274113    1.254225   0                             6/13      7/13      8/13 
  3 n      0.000000    3.548251    0.418075   1                             1/13      6/16      6/15 
  4 n     -0.865826    2.048597    0.418075   1                             1/13       7/4       7/3 
  5 n      0.865826    2.048597    0.418075   1                             1/13      8/13      8/12 
  6 n      2.207050    0.274471    1.254225   1                             2/13      3/10      3/11 
  7 n      3.072876    1.774126    1.254225   1                             2/13      4/22      4/23 
  8 n      1.341224    1.774126    1.254225   1                             2/13      5/13      5/14