10 10
   -8.4598    6.8295    0.0000 C
   -9.1743    6.4170    0.0000 C
   -9.1743    5.5920    0.0000 C
   -8.4598    5.1794    0.0000 C
   -7.7454    5.5920    0.0000 C
   -7.7454    6.4170    0.0000 C
   -8.4598    7.6545    0.0000 C
   -9.8888    5.1795    0.0000 C
   -9.8888    4.3545    0.0000 C
  -10.6032    5.5920    0.0000 C
   1    2    1    1
   2    3    1    1
   3    4    1    1
   4    5    1    1
   5    6    1    1
   1    6    1    1
   1    7    1    1
   3    8    1    1
   8    9    1    1
   8   10    1    1