#      ..        
#    . ##    #..#       
       #.  ##...# ###   
        _##...... #.#.  
        #...#...###.R#  
.  .  ###..#..#  .##.## 
      ##....# #.#...#.# 
   #..#...#.####... .## 
 ........51u#.....### .#
  #...##.X#u5#...... #  
 .##_ #.###5.........#  
.    #.. ...#..##..###  
    .##.. ##.....# . #  
     #.     u#...# ###  
     .#   .53####.#     
        . #.#.#.##.#    
      #.# 5u #. .....   
      .  #..  # ## ##.  
  .      #u3.#     .# # 
    .    ....       #   
         #              
        #..             
        ..