&&&,&,&&&&                                          ,&,&,,&,&&
,,,&&&&,,,                                          ,&&&&,&&&,
,,,&,,,&,,                                          &&,,,&&,,&
&,,&&,,&&,                                          &,&,,&,&,&
,&,&,&,&,&                                          ,&&&,&&&&&
&&&&&&&&&&          a drug ring might exist         ,&,,&&,,,,
&,,,,,,,,,           inside most drugs or           ,&&,&,&,,,
&&,,,,,,,,              at least a few              ,&,&&&&&,,
&,&,,,,,,,                                          ,&&&,,,,&,
&&&&,,,,,,          ##########                      &&,,&,,,&&
,,,,&,,,,,         #          #                     &,&,&&,,&,
,,,,&&,,,,        #  &&&&&&&&  #    six edges       &&&&&,&,&&
&,,,&,&,,,       #              #   means six       ,,,,,&&&&,
&&,,&&&&,,      #  &          &  #  vertices,       ,,,,,&,,,&
,,&,&,,,&,       #  &        &  #   each holding    &,,,,&&,,&
&,&&&&,,&&        #  &      &  #    a carbon        &&,,,&,&,&
,&&,,,&,&,         #          #                     &,&,,&&&&&
&&,&,,&&&&          ##########                      &&&&,&,,,,
&,&&&,&,,,                                          &,,,&&&,,,
&&&,,&&&,,                          #####           ,&,,&,,&,,
&,,&,&,,&,    there is a five      # &&& #          ,&&,&&,&&,
&&,&&&&,&&    edged one as well   #    &  #         ,&,&&,&&,&
,,&&,,,&&,    but they are more    ## & ##          &&&&,&&,&&
&,&,&,,&,&    powerful if stuck      ###            ,,,,&&,&&,
&&&&&&,&&&    together                              ,,,,&,&&,&
,,,,,,&&,,               and a nitrogen is added    &,,,&&&,&&
&,,,,,&,&,          ##                              ,&,,&,,&&,
&&,,,,&&&&        ##  ##                            ,&&,&&,&,&
,,&,,,&,,,      ##  &&  ##      # n                 ,&,&&,&&&&
&,&&,,&&,,    ##  &&      ## ###   #                &&&&,&&,,,
&&&,&,&,&,   #  &&          #       #               &,,,&&,&,,
&,,&&&&&&&   #            & #        #  it looks    ,&,,&,&&&,
&&,&,,,,,,   #            & #      &  # like a      &&&,&&&,,&
,,&&&,,,,,   #            & #     &  #  mandelbrot  ,,,&&,,&,&
&,&,,&,,,,   #  &&          #    &  #               ,,,&,&,&&&
,&&&,&&,,,    ##  &&      ## ###   #                &,,&&&&&,,
,&,,&&,&,,      ##  &&  ##      ###                 ,&,&,,,,&,
,&&,&,&&&,        ##  ##                            ,&&&&,,,&&
&&,&&&&,,&          ##                              ,&,,,&,,&,
&,&&,,,&,&                                          &&&,,&&,&&
,&&,&,,&&& these  are mostly  found  in  nature but &,,&,&,&&,
,&,&&&,&,, not always.  people  have learned how to ,&,&&&&&,&
&&&&,,&&&,               make them...               &&&&,,,,&&
,,,,&,&,,& like  a  hack  for  the  nervous  system ,,,,&,,,&,
,,,,&&&&,&                                          &,,,&&,,&&
&,,,&,,,&&                                          &&,,&,&,&,
&&,,&&,,&,                                          ,,&,&&&&&&
,,&,&,&,&&                                          ,,&&&,,,,,
,,&&&&&&&,                                          &,&,,&,,,,
,,&,,,,,,&                                          ,&&&,&&,,,