.#.   
                  . v # 
                 ...... 
                #.v.... 
            # ##  ..... 
     ##    .#  ..#....  
      .#   ..#......... 
      #  ##.## ..#   .. 
      #.##..#.#..   ..  
      #....4#...### ##. 
##### #....  .. #...... 
.....###.##v..#..##     
  #...v...#.. .v .#   §#
   ###..##.##### ## . # 
   #..4#.#..# .......   
  #.#..####.####.#..#. .
  # #...#  ##. .# # .   
   ##...## # #.# .      
   #.....#  #.## .      
   #.v###.#  #    .     
   #..#.#....    .#     
   #..#.#..## ## #.     
  #..#.# # .      #     
 #... .. ###.           
 ###. ##... #.          
   .#.. #.#. #.         
   .#    #..   .        
  #. .    ..