. 
 ############.....
∩........†D.......
 #######.####.....
       #.#      . 
       #.#        
       #.#        
       #.#        
       #h#        
      ##.##       
     ##...##      
    ##.....##     
    #...≈...#     
    #..≈≈≈..#     
    #.≈≈≈≈≈.#     
    #..≈≈≈..#     
    #...≈÷.÷#     
    ##.....##     
     ##.∩.##      
      ##.##       
       ###