############       #     
        #..........#######.#     
        #..........'..lr...#     
        #...<......######........
        #..........#     ....... 
        #..........#     ....... 
        #..........#     ....r.> 
        #..........#     ######  
        #..........#             
        #..........#             
#########..........#             
...........#########             
############