# type topo
# cell     3.362100     4.844300     2.175900    90.000000   105.715000    90.000000
16
  1 s      0.000000    0.499932    0.000000   0                             2/10       5/3      9/13     13/12 
  2 s      0.000000    4.344368    0.000000   0                             1/16       6/3     10/13     14/12 
  3 s      1.681050    2.922082    0.000000   0                             4/13      7/12     11/13     15/12 
  4 s      1.681050    1.922218    0.000000   0                             3/13      8/12     12/13     16/12 
  5 s      2.498355    1.117580    1.357489   1                             1/23      9/22     12/13     16/13 
  6 s      2.498355    3.726720    1.357489   1                             2/23     10/22     11/13     15/13 
  7 s      0.817305    3.539730    1.357489   1                             3/14     10/13     11/13     14/13 
  8 s      0.817305    1.304570    1.357489   1                             4/14      9/13     12/13     13/13 
  9 s      0.002212    0.981940    0.876367   2                             1/13       5/4      8/13     13/13 
 10 s      0.002212    3.862360    0.876367   2                             2/13       6/4      7/13     14/13 
 11 s      1.683262    3.404090    0.876367   2                             3/13      6/13      7/13     15/13 
 12 s      1.683262    1.440210    0.876367   2                             4/13      5/13      8/13     16/13 
 13 s      0.325467    0.499932    1.690734   3                             1/14      8/13      9/13     14/10 
 14 s      0.325467    4.344368    1.690734   3                             2/14      7/13     10/13     13/16 
 15 s      2.006517    2.922082    1.690734   3                             3/14      6/13     11/13     16/13 
 16 s      2.006517    1.922218    1.690734   3                             4/14      5/13     12/13     15/13