###       ..                      
  #..#     ...                      
  #..D##  #.#                       
     #.# #..##.                     
    ##.##j......                    
    #....#.  ...                    
    #j#.#.## ..###                  
    #...#... ..#..#                 
 #.....#..###....          # #      
..#....##.. #..#          . #       
 #.#.####..#..  ##   ### #          
.............###.  ###.# .#         
 ...##..#..#.#..##..#.. .#          
  ## #.... #...##..#. ...###        
    #..#  #.#.#.#..##..##.. #       
    ∩.#  .....# .. #...##.   #      
     .  ##...###.#....# .#   #      
          .#.  .. .#.### #          
         #### .#..##.#  . ## #      
              #.#..# #   ...      ##
             # # ....  . #          
           #.    .#.       #   .    
                  ..  .  .#     .   
                    ..#   . #       
                     #     .     . .