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