# type topo
# cell     4.707900     4.707900     1.000000    90.000000    90.000000   120.000000
18
  1 i     -1.603982    3.644167    0.250000   0                              6/3       6/4      5/16      5/15      1/14      1/12     16/13 
  2 i      0.000000    0.865989    0.250000   0                             5/13      5/12       4/3       4/4      2/14      2/12     18/13 
  3 i      1.603982    3.644167    0.250000   0                             6/13      6/12      4/16      4/15      3/14      3/12     17/13 
  4 i      3.957932    0.432994    0.750000   0                             2/23      2/22      3/10      3/11      4/14      4/12      7/13 
  5 i      0.749968    0.432994    0.750000   0                             1/10      1/11      2/13      2/14      5/14      5/12      9/13 
  6 i      2.353950    3.211172    0.750000   0                             1/23      1/22      3/13      3/14      6/14      6/12      8/13 
  7 i      3.103918    0.926059    0.583333   0                             4/13     11/13     11/14     12/13     12/14      7/14      7/12 
  8 i      2.353950    2.225043    0.583333   0                             6/13     11/13     11/14     10/13     10/14      8/14      8/12 
  9 i      1.603982    0.926059    0.583333   0                             5/13     12/13     12/14     10/13     10/14      9/12      9/14 
 10 i      1.603982    1.792048    0.083333   0                             8/13      8/12      9/13      9/12     10/12     10/14     13/12 
 11 i      3.103918    1.792048    0.083333   0                             7/13      7/12      8/13      8/12     11/12     11/14     15/21 
 12 i      2.353950    0.493065    0.083333   0                             7/13      7/12      9/13      9/12     12/14     12/12      14/9 
 13 i      0.749968    2.285113    0.916667   0                            10/14     17/13     17/14     18/14     18/13     13/14     13/12 
 14 i     -0.000000    3.584096    0.916667   0                            12/17     17/13     17/14     16/14     16/13     14/14     14/12 
 15 i     -0.749968    2.285113    0.916667   0                             11/5     18/13     18/14     16/13     16/14     15/14     15/12 
 16 i     -0.749968    3.151102    0.416667   0                             1/13     14/12     14/13     15/13     15/12     16/14     16/12 
 17 i      0.749968    3.151102    0.416667   0                             3/13     13/13     13/12     14/13     14/12     17/14     17/12 
 18 i     -0.000000    1.852118    0.416667   0                             2/13     13/12     13/13     15/13     15/12     18/14     18/12