# type topo
# cell     4.000000     4.000000     2.828400    90.000000    90.000000    90.000000
16
  1 n      0.500000    2.000000    0.000000   0                             7/12      8/13       9/4 
  2 n      1.500000    2.000000    1.414200   0                             7/13      8/13     10/13 
  3 n      3.000000    3.500000    0.707100   0                             5/16      6/16     11/13 
  4 n      3.000000    0.500000    2.121300   0                             5/13      6/14     12/13 
  5 n      2.500000    0.000000    1.414200   0                             3/10      4/13     13/13 
  6 n      3.500000    0.000000    0.000000   0                             3/10      4/12     14/22 
  7 n      1.000000    1.500000    2.121300   0                             1/14      2/13     15/13 
  8 n      1.000000    2.500000    0.707100   0                             1/13      2/13     16/13 
  9 n      3.500000    2.000000    0.000000   0                             1/22     11/13     12/12 
 10 n      2.500000    2.000000    1.414200   0                             2/13     11/13     12/13 
 11 n      3.000000    2.500000    0.707100   0                             3/13      9/13     10/13 
 12 n      3.000000    1.500000    2.121300   0                             4/13      9/14     10/13 
 13 n      1.500000    0.000000    1.414200   0                             5/13     15/13     16/10 
 14 n      0.500000    0.000000    0.000000   0                              6/4     15/12     16/10 
 15 n      1.000000    0.500000    2.121300   0                             7/13     13/13     14/14 
 16 n      1.000000    3.500000    0.707100   0                             8/13     13/16     14/16