##          ..# ..... .   
#(          ..#.#...#.    
 ..    .#   #.#...._ #    
# .#   #. ###.#.# ...#    
#.#.#  #.##.#...#....#    
  ...###.#.#....#...##.   
   #..###.......#... ..$. 
    #.##.......∩...#      
    #.#.#.....# #..... .. 
    #.....#.. #.##.# ....#
   ####.....##..##.#..... 
   #  ###.. .##.## . ...  
        #...... ##. .  .. 
        #..#.#..##....# ..
        . ..##..# ...#    
       #.....#....        
       #.######..#        
       ..       .