##             
      .S             
      #.             
      #.             
    ###.             
     ... ∆  ∆  ∆     
 .#####.###          
 #......<.#          
 .#####.#.#          
      #...####.##    
      ##.........    
..#####...####.##    
...............#     
..#####...#...##     
      ##.#.....##    
#.######........#### 
[................... 
#.#######.......###  
        ##.....###   
       ###..w....##  
       #≈≈.≈≈##w..#  
      .≈≈≈≈≈≈≈.##.#  
     ≈≈≈≈≈≈≈≈≈≈≈#... 
     ≈#≈≈≈..≈≈≈#≈#..#
      ≈≈#...≈≈#≈#.#.#
      ≈#≈≈(.≈≈ ≈ ≈#.#
       ≈≈≈.≈≈≈ ≈≈ ≈ #
       ≈≈%..≈≈ ≈≈  . 
       #≈.<.≈# ≈≈≈ .#