# type topo
# cell     3.262100     3.262100     1.681800    90.000000    90.000000    90.000000
16
  1 i      0.653399    0.270754    0.000000   0                              3/4      4/10      6/10       6/9      7/13      7/12     16/13 
  2 i      2.608701    2.991346    0.000000   0                             3/16      4/22      5/16      5/15      8/13      8/12     15/13 
  3 i      2.991346    0.653399    0.000000   0                             1/22      2/10      5/13      5/12      7/22      7/21     14/13 
  4 i      0.270754    2.608701    0.000000   0                             1/16       2/4      6/13      6/12       8/3       8/4     13/13 
  5 i      2.608701    0.270754    0.840900   0                             2/10      2/11      3/13      3/14      7/22      8/10     12/13 
  6 i      0.653399    2.991346    0.840900   0                             1/16      1/17      4/13      4/14      7/16       8/4     11/13 
  7 i      0.270754    0.653399    0.840900   0                             1/13      1/14       3/4       3/5       5/4      6/10     10/13 
  8 i      2.991346    2.608701    0.840900   0                             2/13      2/14      4/23      4/22      5/16      6/22      9/13 
  9 i      2.284449    1.901804    0.840900   0                             8/13     11/13     12/13     14/13     14/14     15/13     15/14 
 10 i      0.977651    1.360296    0.840900   0                             7/13     11/13     12/13     13/13     13/14     16/14     16/13 
 11 i      1.360296    2.284449    0.840900   0                             6/13      9/13     10/13     13/14     13/13     15/13     15/14 
 12 i      1.901804    0.977651    0.840900   0                             5/13      9/13     10/13     14/13     14/14     16/13     16/14 
 13 i      0.977651    1.901804    0.000000   0                             4/13     10/13     10/12     11/12     11/13     15/13     16/13 
 14 i      2.284449    1.360296    0.000000   0                             3/13      9/13      9/12     12/13     12/12     15/13     16/13 
 15 i      1.901804    2.284449    0.000000   0                             2/13      9/13      9/12     11/13     11/12     13/13     14/13 
 16 i      1.360296    0.977651    0.000000   0                             1/13     10/12     10/13     12/13     12/12     13/13     14/13