...       
                   #...3..##    
                  ..?........   
                 .............  
                3.........X.... 
             ####.............. 
            #... #.....2?...... 
             #.. #.X..2X........
             #..##3#....∩###....
              #...##.XXx##.##...
             #.#..xvXXXX#.∩.#.. 
             #..#.....X.##.##.. 
         .   #....*...X..###... 
        .#. ####....X.........  
        #... ....#....v1x.....  
        # .# ##.........x....   
      v# .. .... .##......##    
     . #.#  .#....##......#     
   .    .##   ..#..........     
    #   #v# ##.. ........ .     
      # .  #  ...  .. ..  .     
    v  ##  ###...   ..  .       
    .   #  #######... ..  .     
         . #. .#.#. ..... .     
      #       # #.## .. ..#     
.   #   .   #. # ## . .         
 .         .#   #. .   ..       
 #            .#.    .  ...     
    #  #         #3.. .   .     
         #              #       
        .          #  .         
        .         .    .        
                                
                                
                .