# type topo
# cell     2.699000     2.699000     1.973200    90.000000    90.000000    90.000000
16
  1 i      2.671470    0.756260    0.193176   0                             3/19      4/22      7/13     11/12     12/12     13/13     13/12 
  2 i      1.377030    0.593240    0.193176   0                             3/10      4/13      8/13     11/12     12/12     14/13     14/12 
  3 i      0.593240    2.671470    0.193176   0                              1/7      2/16      5/13      9/12     10/12     16/13     16/12 
  4 i      0.756260    1.377030    0.193176   0                              1/4      2/13      6/13      9/12     10/12     15/13     15/12 
  5 i      0.027530    2.105760    0.793424   0                             3/13       7/4       8/7      9/13      9/12     15/13     16/13 
  6 i      1.321970    1.942740    0.793424   0                             4/13      7/13      8/16     10/13     10/12     15/13     16/13 
  7 i      2.105760    1.321970    0.793424   0                             1/13      5/22      6/13     12/13     12/12     13/13     14/13 
  8 i      1.942740    0.027530    0.793424   0                             2/13      5/19      6/10     11/13     11/12     13/13     14/13 
  9 i      0.027530    1.942740    1.780024   0                             3/14      4/14      5/13      5/14      11/7      12/4     15/13 
 10 i      1.321970    2.105760    1.780024   0                             3/14      4/14      6/13      6/14     11/16     12/13     16/13 
 11 i      2.105760    0.027530    1.780024   0                             1/14      2/14      8/13      8/14      9/19     10/10     13/13 
 12 i      1.942740    1.321970    1.780024   0                             1/14      2/14      7/13      7/14      9/22     10/13     14/13 
 13 i      2.671470    0.593240    1.179776   0                             1/13      1/14      7/13      8/13     11/13     15/22     16/19 
 14 i      1.377030    0.756260    1.179776   0                             2/13      2/14      7/13      8/13     12/13     15/13     16/10 
 15 i      0.593240    1.377030    1.179776   0                             4/13      4/14      5/13      6/13      9/13      13/4     14/13 
 16 i      0.756260    2.671470    1.179776   0                             3/13      3/14      5/13      6/13     10/13      13/7     14/16