# type topo
# cell     2.316500     2.316500     3.907700    90.000000    90.000000    90.000000
8
  1 n      0.000000    0.000000    0.499795   0                             2/12      5/13       6/1 
  2 n      0.000000    0.000000    3.407905   0                             1/14      7/10       8/4 
  3 n      1.158250    1.158250    2.453645   0                             4/13      7/13      8/13 
  4 n      1.158250    1.158250    1.454055   0                             3/13      5/13      6/13 
  5 n      0.353498    0.804752    0.976925   1                             1/13      4/13       6/4 
  6 n      1.963002    1.511748    0.976925   1                             1/25      4/13      5/22 
  7 n      0.804752    1.963002    2.930775   1                             2/16      3/13      8/16 
  8 n      1.511748    0.353498    2.930775   1                             2/22      3/13      7/10