# type topo
# cell     5.864400     5.864400     1.000000    90.000000    90.000000   120.000000
18
  1 o      2.499407    0.000000    0.250000   0                            10/13     10/12      1/14      1/12      6/10      8/12 
  2 o     -1.249704    2.164550    0.250000   0                            11/13     11/12      2/14      2/12       9/3      4/13 
  3 o      1.682496    2.914169    0.250000   0                            12/13     12/12      3/14      3/12      5/13      7/12 
  4 o     -0.432793    1.692906    0.583333   0                             2/13     13/13     13/14      4/14      4/12       9/4 
  5 o      1.682496    3.857457    0.583333   0                             3/13     14/13     14/14      5/14      5/12      7/13 
  6 o     -1.249704    4.607076    0.583333   0                             1/16     15/13     15/14      6/14      6/12      8/16 
  7 o      2.499407    3.385813    0.916667   0                             3/14      5/13     16/13     16/14      7/14      7/12 
  8 o      1.682496    0.471644    0.916667   0                             1/14      6/10     17/14     17/13      8/14      8/12 
  9 o      4.614696    1.221263    0.916667   0                             2/23      4/22     18/14     18/13      9/14      9/12 
 10 o      3.364993    0.000000    0.750000   0                             1/13      1/14     10/14     10/12     18/13     14/11 
 11 o     -1.682496    2.914169    0.750000   0                             2/13      2/14     11/14     11/12     15/14      16/4 
 12 o      1.249704    2.164550    0.750000   0                             3/13      3/14     12/14     12/12     17/13     13/14 
 13 o      0.432793    1.692906    0.083333   0                             4/13      4/12     12/12     13/14     13/12     17/13 
 14 o      1.249704    4.607076    0.083333   0                             5/13      5/12     10/15     14/14     14/12     18/16 
 15 o     -1.682496    3.857457    0.083333   0                             6/13      6/12     11/12     15/14     15/12      16/4 
 16 o      3.364993    3.385813    0.416667   0                             7/13      7/12     11/22     15/22     16/14     16/12 
 17 o      1.249704    1.221263    0.416667   0                             8/12      8/13     12/13     13/13     17/14     17/12 
 18 o      4.181904    0.471644    0.416667   0                             9/12      9/13     10/13     14/10     18/14     18/12