#.....##..                                          .###.###.#
##....###.                                          .#.#.#.#.#
.##...#.##                                          .........#
.###....##                                          ..........
.#.##...#.                                          #.........
...###....         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 ..#..#....
.#..#.##..                                          ...#..#...
..#...###.                                          #...#..#..
...#..#.##                                          ##...#..#.
....#...##                                          ###...#..#
#....#..#.                                          #.##...#..
.#....#...                                          ..###...#.