..#       
           v# .  #.    
           . .##..     
        ####......#    
         .....#....    
         #.#....#      
         #.....#      .
         #.....###   ..
   ..    #.......###...
    .#.# ##.#..#.#...  
   ##... #........#    
#.##.# . .#####..#.#   
.........##R.##..#.#.##
 #. ....##.............
    ......§....≈....###
..##.# .#..§≈..#≈....# 
 #.... #..#..........# 
     ...##≈≈≈.......#..
  #......##.....≈≈..#..
  #. .## .≈≈≈......... 
 .# #  . .≈≈♣..≈....#. 
 #..#...#......≈.....  
  #. #..   .. ...  .#  
##.#.  #..#  .  .....  
  .  ... ##... #...    
. .....#    . .......  
  .... ..    ..    .   
 #.    .  .....  ...   
    .      ..  .       
  .##   ##   . .       
 .   .     . . .       
.      .      .        
    ..      #. ..