# type topo
# cell     4.000000     2.828600     3.999800    90.000000    90.000000    90.000000
16
  1 n      1.000000    0.707150    3.499825   0                             6/14      9/13     12/13 
  2 n      3.000000    2.121450    3.499825   0                             5/14     10/16     11/13 
  3 n      3.000000    0.707150    2.499875   0                             8/13     10/13     11/13 
  4 n      1.000000    2.121450    2.499875   0                             7/13      9/16     12/13 
  5 n      3.000000    2.121450    0.499975   0                             2/12     13/16     16/13 
  6 n      1.000000    0.707150    0.499975   0                             1/12     14/13     15/13 
  7 n      1.000000    2.121450    1.499925   0                             4/13     14/16     15/13 
  8 n      3.000000    0.707150    1.499925   0                             3/13     13/13     16/13 
  9 n      0.500000    0.000000    2.999850   1                             1/13      4/10      10/4 
 10 n      3.500000    0.000000    2.999850   1                             2/10      3/13      9/22 
 11 n      2.500000    1.414300    2.999850   1                             2/13      3/13     12/13 
 12 n      1.500000    1.414300    2.999850   1                             1/13      4/13     11/13 
 13 n      3.500000    0.000000    0.999950   1                             5/10      8/13     14/22 
 14 n      0.500000    0.000000    0.999950   1                             6/13      7/10      13/4 
 15 n      1.500000    1.414300    0.999950   1                             6/13      7/13     16/13 
 16 n      2.500000    1.414300    0.999950   1                             5/13      8/13     15/13