.##.                  
 ##.. .   ..  . .                   
 #..∩. # #..#  .                    
  ....#.#.# . .                     
  ##.#. ... .  #  .                 
 #.. ..#. #...#. .#                 
   #...#...#  . # ##                
     #...#..##..# .  #              
   ##......#.#.#...#.               
   ##.. #.# # ..## .                
   # # .#..##.# ###.   #.           
     ##...#....#.#.### . ##         
     #. #..##.### ...#.  #.         
    ...#..## ##  . #.....#       #  
   .######.## #  .#.. .   ##        
..#   . # #.#### . # # ## . #       
.     ..#.#...##.#     ... ...#  #  
       .#......###    # #. #.       
     #.##.#.#....#   . ##  #    .   
     ##. .#..x..##  #    .   .      
     ..$..#....##    #  # . .       
     #. .......#    #               
     ...#..#...#         . # #    # 
      #..#.#.##.         .      .   
      #.#. #.  #         ## #.  . # 
      #... ##                  #    
                           .   .    
                         #          
                          .        .
                          #  .