.    .#..                     
  #. #...  ##                   
   ..#..#. ..                   
 ## .#... #.                    
  .. ...  .#                    
   #. ..##.#                    
    #.#.#..##                   
#  ##..5#.#                     
 .  .###.#.#                    
 #..  #..#.##                   
   #..#XX.#.#                   
     ...XX. #.                  
   #....#X...#                  
  ##.#....#.#...                
  #....##X.....#                
  ##...  .#..#.≈                
 ##....... #.. ≈                
  .##.#  ..  ≈≈