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