.       
                         .      
                                
                                
                   # .#         
                     #  #       
                        #       
                    .  . .   #  
                    .##.#  #.#  
              #   .  ..#. #..#  
             # .   .  ...#..   #
                 .#.   .....# .#
          ###  # .. . ##....#.# 
          # ####  .### ## .#..# 
          #.   #####.####....## 
          ##..#.#.#...#..#...   
             .#.......#...##.#  
     #..  ##.# ..#..##..####..# 
     ..   # ...###....#.....#.# 
        . ##.....#......###..#  
 .#  ##. #  ..#.. ##.#..∩....#  
     # ..## #..##.##.#....#.##  
 .   .  .. ..  # ..#....#.#     
 ..  .. ..  .... #...###.#.. .  
   .#  .. #..#...####.#.##....  
     #... ###.#.......A.....##. 
       . # #  ####.#.#.#.#...#  
     # .. #     . #.##..#..#..# 
  .    .....#    ... ###.#.# .# 
     . ..... #.##.##.   #...#   
   .  .. . .  . #.   .   #..#   
    .  ..  .    #         #..   
      #  . .   .#          ##   
.    .    ..#  ##               
     .  . . .                   
     # .   . .