.#... .  .#. #.#      
         #.# .# . ..##..       
        #...#....##....       .
      ..#..... ..#....# ##   .#
      ....  #...#.#.#.##.#  .. 
      ..........##...#..###.#  
       #......?.#...#.......#  
   .   .............R.y..#..#  
 . .   ... .........#.#.....#  
 #. .  #####.?..##.#..y.##.....
.#∩.#.#.........##....#..# ..#.
......#..# #.#.. ##.#.#..#   . 
 ..  ..........#. ##.##.#.#    
.  ...#..#.......# ##...#...   
. ..#........ ..#..# #####..   
 .. ..... ...!. ####      ..   
   .........###                
 . .. .... ...                 
  . . ..!#.... #               
 _....  .......#               
 #...#...#.... #               
 ##.## . ##.. .