.....#                  
    #   ..              
##. #  #. #             
 ...###. .#             
.....#. ....∩....#.     
 . ..  ....≈.≈. ...     
 ..  #... .#.....       
#.. ###...# #...#   ..  
##.#  ##.## ##.##  #.## 
 ..   #...###...###...##
       .. .#.....#.....#
    ..... ..............
    .#. .  #.....#..... 
     ##..  ##...###. .# 
      ##.#  ##x## ##.## 
            #...#   ..# 
           #.....#  ...#
          .........   ..
          .#.....#..    
           ##...###.