#                   
  #.                  
  #.######            
  #......######       
  #......##...#       
  #......##...#       
####.....##...########
.........O....'.....>#
.####.#####...########
   ..     ###.#       
 #.#        #.#       
 #          #.#       
            #.#       
            #.#       
            ...