#.           
  #.           
  #.           
###.#########  
#...........#  
#...........#  
#...........#  
#...O.......#  
#######.#####  
      #.#      
      #.#      
      #.#      
      #.#      
     ##.#######
     #........#
     #........#
     #........#
     #.<......#
     #........#
     #........#
     #........#
     ##########