.
                        # .#
                       ....#
                      .#..  
                 ## ##..#   
                 #. ....#   
       #         #.#b#.#    
       .# #  .    #.#.#     
        .#.      ##.4.#     
        ..##.   ##...#......
         .#   ###..#.##...##
      ###. ####.#.....  #.# 
##    #.#.# ....#§....#.# # 
 .#    #....#.##..#.....#   
 ...  #. .# ###.....#.###   
  #..###.##.##..#.#.....#   
  #..#..#.##.#.. ..###.. #  
    #.....# .#. ###.  ..... 
    #.. ..# .#.    ..  ...# 
   # #   #.# .#     #.  ... 
   ###.## #.##       .#     
# # ....#    #        #     
 .#.#..##   ##              
.. #  ..#