###        
         ##.##       
        ##.∩.##      
       ##...†.##     
       #...≈...#     
       #..≈≈≈..#     
       #.≈≈≈≈≈.#     
       #..≈≈≈..#     
       #...≈...#     
       ##.....##     
        ##...##      
         ##.##       
          #.#        
          #.#        
          #.#        
          #.#       .
          #.#     ...
###########.####.....
#..∩..........t......
################.....
                  ...
                    .