###        
      ##.#        
      #.####  ##  
      #....###.#  
      #.#4..#.#   
.     #.##....#   
. #. #####∩.##...#
#..##.##...##  ##.
...## .#.#.# .    
#∩. #. # #.#.#    
#... ...#....#    
 ...#. ...#...#   
#...... #.#..#... 
##. ##.##..... .# 
..#.### .. ...$...
...##   .#§.#.# ..
#..#   .# ....... 
#..#      #... .  
...        ..##   
. .#