.. ##         
            #. #.         
             ..#..   .  . 
              ##..  .# .. 
          ..  #...  .#.#  
          .... ...##...#.#
          .......#..#...# 
                #.......# 
                ##4#.#.#. 
               ###.#      
               #.#.#      
                #..# ..   
        .########..# ..   
          . ..##.#.....#  
           ## ....##.#    
            ....#.  .#    
         #.##.#..# ...    
           ..... ..# ##   
          #.#. .#..#      
         .. ....#.# ### ##
        ...... .. ##.#...#
         ##....#...#...#