# .      
                         #
           #  .    #      
             .        #   
              .           
              ..        .#
               # .   .   #
           ...# ..   .# # 
      #..#.  .#. # # #.   
      #..# ###.  # # .# . 
     ....  #..#          #
     . ....##.# ..##      
      #Z.#. ..    .       
     # ...  ..#. ###.     
      Z..##.. .  # #.     
     .. ..... ..∆.# .#    
    .##. #.#... .#...     
.  ..##. .# #. #....#.    
..   .. .###..#..######   
 ..  ....# ##..#.... ..   
  #. ##..####§#..#..#     
#.#..##...###....#  #     
.......... .#.#..# ##     
........Z4..#...#.        
..#..##[24###X..#.#. .    
  #.. #.. .#4..#.## #.    
  ..........#####.#   .   
  ........#.#    ##       
  #....###.##             
  ##.#.  ..#              
   #### .###              
       .v                 
      ..                  
     #.