#####        
                 ##.4.# ##     
                 #..####.#    .
                 #...#.#.#  #..
                 ####...## ... 
                  #..#..#..#   
                  #####.. #    
                    #..#..#    
                   #.###.##    
                  ..  #.##     
                #.#   #        
                .#####..#      
                 #..#.#.....#  
                 #...#. ##∩##  
                #...# #..# ..  
                #.#.# .....  # 
                ##..# ...# #   
         ##########.   #.#     
          .#...# #. #   ##     
      ##..##   . ...           
      #..  .# . ##... .#       
      ..#. ... . .# ..##       
   ..  .#..# .## .    #        
  #   # .# .##.#.#.  .#        
x    #.   .   ##.     .        
    # #    .       .  ..       
.  #.     .         .  #       
 #.   #4 #                     
  #   # # . #