.. .  ##
  .. ####   .#..
  #.   ..#.  .##
   ..# ..#######
    .. #.#.####.
    #..#.##.#..#
#   #.##...#..#.
#. ##..#.#.#..##
 #.#.#...#...#.#
 #..#.##h##..###
 #....#.#.#..#  
 #.#...#....#.  
#.#..##§...##.. 
# #..   ##.# .##
  ###   . .Rb  #
         #§.#.  
          §#. . 
            ##