# type topo
# cell     3.863800     3.863800     1.154600    90.000000    90.000000   120.000000
12
  1 o      1.523496    0.408230    0.000000   0                              8/9      8/10     11/13     11/12     12/12     12/13 
  2 o      2.748514    1.115271    0.000000   0                             7/21      7/22     10/12     10/13     11/13     11/12 
  3 o      1.523690    1.822647    0.000000   0                             9/13      9/12     10/13     10/12     12/13     12/12 
  4 o      0.408404    2.937919    0.000000   0                             8/13      8/12      9/13      9/12     11/16     11/15 
  5 o     -0.816614    2.230878    0.000000   0                             7/13      7/12      8/13      8/12      10/3      10/4 
  6 o      0.408210    1.523502    0.000000   0                             7/13      7/12      9/12      9/13     12/13     12/12 
  7 o     -0.408210    1.523502    0.577300   0                              2/5       2/4      5/13      5/14      6/13      6/14 
  8 o     -0.408404    2.937919    0.577300   0                             1/17      1/16      4/13      4/14      5/13      5/14 
  9 o      0.816614    2.230878    0.577300   0                             3/13      3/14      4/13      4/14      6/14      6/13 
 10 o      2.340110    1.822647    0.577300   0                             2/14      2/13      3/13      3/14      5/23      5/22 
 11 o      2.340304    0.408230    0.577300   0                             1/13      1/14      2/13      2/14      4/10      4/11 
 12 o      1.115286    1.115271    0.577300   0                             1/14      1/13      3/13      3/14      6/13      6/14