# type topo
# cell     2.775700     2.775700     1.726700    90.000000    90.000000   120.000000
12
  1 o      0.964139    0.265142    0.007770   0                             5/10       7/9       8/9      9/12     12/13     12/12 
  2 o      2.064011    0.702398    0.007770   0                             4/22       7/9      8/21      9/21     11/13     11/12 
  3 o      1.135400    1.436286    0.007770   0                             6/13      7/12      8/21      9/12     10/13     10/12 
  4 o     -0.252450    0.967540    0.855580   0                              2/4      9/12      9/13      10/4      11/4     12/13 
  5 o     -0.423711    2.138685    0.855580   0                             1/16      8/12      8/13      10/4     11/16     12/16 
  6 o      0.676161    1.701429    0.855580   0                             3/13      7/12      7/13     10/13     11/16     12/13 
  7 o      0.423711    2.138685    1.718930   0                             1/17      2/17      3/14      6/14      6/13     11/16 
  8 o     -0.676161    1.701429    1.718930   0                             1/17       2/5       3/5      5/14      5/13      10/4 
  9 o      0.252450    0.967540    1.718930   0                             1/14       2/5      3/14      4/14      4/13     12/13 
 10 o      1.640300    1.436286    0.871120   0                             3/13      3/14      4/22      5/22      6/13      8/22 
 11 o      1.811561    0.265142    0.871120   0                             2/13      2/14      4/22      5/10      6/10      7/10 
 12 o      0.711689    0.702398    0.871120   0                             1/13      1/14      4/13      5/10      6/13      9/13