#.   ∆     
                    .         
                    .#        
              ###  ##.        
            ##.#.###..##      
      #.#####..#..#..#.#      
     # #..#...##..###..#      
      .  #...#..#.#.R..#      
      #..#.##..#.#...##....#  
       # ....##..#..## .....# 
      ..###. ..#..###  ..###.#
     ##  ###.....#.#   ###    
      ##.#.......# #          
      #..# ...#...#.          
        .....#..#....         
     .#..#  ... ....#         
   ..... .#..#.## ###         
   # #....... .#              
     . ####.#.. .             
      . # #.#...#             
       #.##..  #.#            
     ####..#.#####            
  #  #.....###                
    #.  . #                   
 ....#   ##                   
#.     ..                     
 .   ##                       
 # #                          
.. . #                        
  ..                          
 #.                           
   .