..       
          #.        .#.#      
          #.#      #.....     
          #.#    ##..#.#.#    
      #####.##  ##..........  
      #......# ##....#.#.#.#  
.######..#.#.###†...........  
.......<.......'.....#.#.#.#  
########.#.#..##............. 
       #.....####.......# ... 
       ####.##  ##†....###.## 
          #.#    ##.........# 
          #.#     ##+.#.#.#.##
          #.#      #.........#
          #.#      #..#.#.#..#
          #.#     ##.........#
          #.#    ##...#.#.#...
          #.#...##...........#
             .............#..#
              ..####.#.......#
              .    #.#.####.##
                   #.#......# 
                   #.######## 
                   #.#        
                   #@#        
                   #F#        
                   .b#        
                   ..#        
                  ...#        
                  ....        
                 .....