#.          
       #..         
##.#   ...        .
#...  ##.#      #. 
..... #..##    ..  
 ....##..#.## .#   
  ....##.##.#..#   
 .  #..#..4..#     
 #.  #...#..##     
 .. ##..#####      
.........#..## .#  
 ..X...##.#.....#  
...........#       
#..X#∩##.#.....    
##.####..#.##.#.   
#...##. #. #  #    
......4###.#       
... §§.§# ##       
....§#§. ...#      
 ...### .#. .      
## ## ##.. #       
#...##..#..#