. .. .              
  ...#.              
    .                
                     
  #. ..##  # .       
  #. . . ##. .       
  #.. #..#. . .##    
    #...##..#....    
 #. .#.##..  ... #   
.... ##.##.##3##.!#  
#. #.###.#...%..#..  
    # ..... ..#....  
   #.#.##......      
    ..  #..3...###   
   .#    .... .. #. #
 .. ##   ...#.#.#.#.#
 .      #..#.#3#...  
     ## .###...#.#   
    # .% #.!#..3.#   
    ..#.##.##....#   
    . ...###.#...#   
     ###..###.###.#  
    ####..#...#  #   
    #...#..#..#      
     #....#.###      
      #.#..##        
      # #.##         
       ...           
     ..#.#           
   #.. #≈            
   ##  #≈            
       .             
       #