.      
           # .      
      ..   .#.      
    .##d ###.###    
     .. ##.. .. ##  
      #.. .... ..   
.. #   #.....#.##...
#.#.#  #....... ....
 ..#.  ##.. # #.### 
  ...  #.#. .#.#    
 # .3  # ..#...#    
 #.#.  ##...##.#    
  #..###.##.# .#    
    #..#..##.# #    
   ###......#.#     
   #...#.....##     
   ##.######..#     
   #..      #..#    
   ##.       .#.    
    .#        .     
    .               
   #.