##      
             ..#      
             #.#      
              .#   .# 
             #  #     
            #.. ..#   
           ##..#.#    
          ##.#_..     
       # ##.# .#.##   
       #..#3#. ....   
      ## ..#.## #  #  
    ###....## ....#.# 
    #.#.#....### ..#.#
.   ##.#..∩##....#   #
#.. #.#..#...##..#    
.....#.#....#.# #...  
 ..##........##   ### 
 #....##..####        
#..#.........#        
.  #..#..##.#....     
   #.............     
 ......#..  #..#      
 ..#....#.#...##      
 ...#..# .#.#...      
 ..####  .. . ..      
 ..      ..  . .      
         ### ..