..  .                   
  .# ..                  
   .##.  ..   .#         
    ...###..#..          
     ...##..#.           
     #..#....            
    ##..#...  # #        
 .  #...##..#.#.#        
  ...#X.##..#..#  #      
#.. #XXXXXX..#   . #     
    ##XX#Xx.##  #. #.    
     #..##.X###...#.#    
     #..##XX.....X..##   
     ...#....#....X..#   
    .#..####.# .##.#..   
   .##..'   #.# # # .#   
  .. #.. . #.#.....  .   
         #  #... ## #    
          #.#.#... .  .  
          #..  ..v# . #  
          # v.# .#  .  . 
             . #..v#   ..
          #.## .v .. . .#
           # #..#. # ... 
             #...#. # #. 
        . .  ##. # #   ..
          .   v .   #.. #
            #  .# ..     
            #.  .##..#   
                .      # 
             .  .     .  
                #        
                  v      
                   .