..#  ..                        
   ... ..##                      
.  #.. .#.#                      
 .. . .  .#                      
   .. . .#       ########        
    #....###     #......##       
    #...#. .# #####......#     ..
 # .. #...#...#..#∩.....#####....
     . ..##..##....#....##...#   
 ...#.   ..#. ....#..#....#      
. #.. . #...  ...#...#.#4........
.#.. ##.##...#. . .#.###.#.###.##
 ##. #..#..#.###.§##.# #.#...    
 .  #...#..##  ##  ### #....#.$  
    #..##### .#.       ..#.## .# 
 #  #.#      ## #      .....   . 
                      .#..##     
#..                              
 . .                             
   #                             
.... .