≈≈.. ..           
P......           
 ......           
  .....###        
   #..#..         
   #..#.##        
   #.....##       
   #..r...##   .# 
   #..s#...##  .# 
 ###...##...## .##
 #......##...##..#
 ###.#.####......#
  #..#.#  ##.....#
  #.##.#   ##....#
  .. #.#  ##.....#
 ... ...###......#
.b.  ............#
     ...###....<.#
          #......#
          ########