# type topo
# cell     2.475900     2.475900     2.823800    90.000000    90.000000   120.000000
12
  1 o      0.870526    0.269311    0.205855   0                             2/13      3/13       7/9       8/9      9/12     10/13 
  2 o      1.807407    0.619243    0.205855   0                             1/13      3/13       7/9      8/21      9/21     11/13 
  3 o      1.035917    1.255639    0.205855   0                             1/13      2/13      7/12      8/21      9/12     12/13 
  4 o      0.367424    1.874882    1.617755   0                             5/13      6/13      7/13     10/16     11/16     12/13 
  5 o     -0.569457    1.524950    1.617755   0                             4/13      6/13      8/13     10/16      11/4      12/4 
  6 o      0.202033    0.888553    1.617755   0                             4/13      5/13      9/13     10/13      11/4     12/13 
  7 o      0.367424    1.874882    2.617945   0                             1/17      2/17      3/14      4/13      8/13      9/13 
  8 o     -0.569457    1.524950    2.617945   0                             1/17       2/5       3/5      5/13      7/13      9/13 
  9 o      0.202033    0.888553    2.617945   0                             1/14       2/5      3/14      6/13      7/13      8/13 
 10 o      0.870526    0.269311    1.206045   0                             1/13      4/10      5/10      6/13     11/13     12/13 
 11 o      1.807407    0.619243    1.206045   0                             2/13      4/10      5/22      6/22     10/13     12/13 
 12 o      1.035917    1.255639    1.206045   0                             3/13      4/13      5/22      6/13     10/13     11/13