11 11
   -8.9286    6.6956    0.0000 C
   -9.6430    6.2830    0.0000 C
   -9.6430    5.4580    0.0000 C
   -8.9286    5.0455    0.0000 C
   -8.2141    5.4580    0.0000 C
   -8.2141    6.2830    0.0000 C
  -10.3575    5.0455    0.0000 C
   -7.4996    5.0455    0.0000 C
   -8.2141    4.6330    0.0000 C
  -10.3575    6.6955    0.0000 C
  -11.0720    6.2830    0.0000 O
   1    2    1    1
   2    3    2    2
   3    4    1    1
   4    5    1    1
   5    6    1    1
   1    6    1    1
   3    7    1    1
   5    8    1    1
   5    9    1    1
   2   10    1    1
  10   11    2    2