######        
 #   #....         
 #.###.#..      .. 
 #.....#.#####..## 
...................
 ###.....#.##..#.# 
   +....F#F##....  
   #.....#.#...#   
 #.#....<#.#..##.#.
...........>.......
 #.#.....#..#.##.#.
 #.###...#..#.#    
  ............#    
  ..........#.#    
   ......#..#.#    
   ##....#.## #    
    #..#.#.#       
    ...###.#       
     .   #.#       
         #.#       
         #.#       
          .