# .     
           ###.....   
           ..  #.#.#. 
         ##.. #..... .
    ##### .#  .. . .# 
    #... ### ....  .  
    #.#....##...#.#   
 #  #...#........#    
  ..##...####...      
 ##....#.∩##.# ..     
 #.......x#x#  _##    
..#......#.#  ##.#    
.....##.#.##          
 ...  ## ..#          
#..#..# ...#          
 #.......#. #         
 ## ...###..#         
  #...#  .##.#        
  .##.   #  ##        
 .  .                 
   #