..#        
         ...##      
          .#..      
        # #.#.      
      ###.#.#.###   
      .......x..##  
        #..?.#...#  
      .### ##.#.##  
       ... #.####   
       #....#..##   
   # . #.#....#.##  
   # .#.......#..## 
    #...####......# 
     #.##......#.   
     ....#....#.#.# 
    ###  ##....##..#
    #......#...# # #
 . .#### ...####    
 .... .#..#.+       
#. ..##.#...##      
    #...####...##   
    #.. . .#.. _#   
   #..   ...#...    
   #   #. #∩####    
   .. #.. #...      
 . .  #. ###.       
# #.  .     #..     
##  #..      . #.   
     ..       .