.. 
                  # #... 
               # .#.. .#.
              ##.....# .#
  .  ##  ..##  . ##.....#
# #. #.  .#  ##.###.# ...
..#.##. #.. # #.#... ### 
  .....#...   #.. #..  . 
   ......###  #..#.# .# #
    #......###### .# ##  
    #....#........#      
     #..#..####∩.. #     
   #..##.......# ..#     
 ..b#  #b#.##.#....#     
..(    ##.......#..#     
.   #....#...#.#.#..#    
  #...##......#.. ....   
  .. ...#.......####.#.  
     #.###..#.##..  ..   
     ##  #....# # .      
          ..###  #       
        .#..#