#####                               
  #...####                            
  #......##       #####               
  #...##..#       #...#               
  #######.#      ##...#               
        #.#     ##....#               
        #.#######.....#               
        #......##.##.##               
#########.####.#..##.#####            
..........#  #...........#            
#.........####...###.###.#####        
#.........##...### #.# #..RR.###      
#.........##.#######.# #####...######.
#.............<.......     ###.l..†...
#...........>#######.#       ######...
#..........###     #.#                
#...........#      #.                 
#.........#....                       
#########.##.##                       
        ..# ...                       
       #.## ##.#                      
       ..     ..