.# ###.#               
       #. #              
       ....#  #          
       .# .# .           
      # #.##.#           
       #..##.            
     ###.# ..       #.   
     #..##.### #   v.    
    #.##..##.#.#  ...    
   ..  ##.....#  #v#     
 ..    #.#..##. #.##     
#.     #.#.#  ##.#.#     
#      #..#. ##.#..#     
     #   .## #..z#       
     ...###.#..#.#       
   ..##. ..#.## ..#      
   .  ###...   #.##      
         #.     ..#      
        #.#     .#..     
        ##      .##..    
                .. ..