# type topo
# cell     2.681500     2.681500     4.165700    90.000000    90.000000    90.000000
8
  1 n      0.840650    0.000000    0.000000   0                             2/13      5/13      7/12 
  2 n      1.840850    0.000000    0.000000   0                             1/13      5/22      7/21 
  3 n      0.000000    0.840650    2.082850   0                             4/13      6/13      8/13 
  4 n      0.000000    1.840850    2.082850   0                             3/13      6/16      8/16 
  5 n      0.000000    0.000000    0.541541   1                             1/13       2/4      8/13 
  6 n      0.000000    0.000000    2.624391   1                             3/13      4/10      7/13 
  7 n      0.000000    0.000000    3.624159   1                             1/14       2/5      6/13 
  8 n      0.000000    0.000000    1.541309   1                             3/13      4/10      5/13