.                
            ...               
            ...    .          
        #  ##.##  #.#         
       ..###...###...#        
     .....#.....#...          
    ..............            
     .... #.....#             
     #..   #...#              
 .#  ##.## ##5##              
...###...###.5.##             
....#.....#.....#..           
........................  .   
 . .#....3#..F..#... .#.  .## 
    ##...###...###...## ...  #
     ##.## ##.##  #.## ##.##.#
     #...# #...# #  .##  ... #
      #..#. ..##. ....#.. #  #
      #.#..  #.## ###..  .. # 
      # .## .##...# .##..# ## 
       ##..##.3.#.##.## ..    
      #......###... .. ..     
     #.#........#.# ...#..#   
    #.#... ..#####......#  .  
      #....##    #.##.  . #   
      . #.#      #..#   # ..  
       ###          # ##     .
                  .#3         
                   ..         
                . #..#        
                     #        
                   #