.. ..      
          ##       ###.##..   #  
          ...       ......#.     
          .#.#   .#.....#..##    
          ##...   ...........    
          #.#..######.#.#...#.   
        ###..#..#.D.3..#...#     
      §.. #....#..#...#..#.      
.     #.. #........#v....#  ..  #
       ..##.#...v..#.#.#.#       
      ##..##.###.#.#....... #    
       ###..v#.#.##......... # # 
       #...  ..4#.##.#####.##    
      .#.....#.####....# .#...   
      ##§##.#v.. ####..##  .#.## 
     . .§ v##... .#....# #.      
     .. ...##. .### ##  . .      
        #...v.### ## ###....     
         . .. .###     ## .##    
     #  ..#.###..#       #       
     #.. .#v #### #. #  #.       
     .### #...### ...#   #.      
          #.#  .#..#v#    ....   
          # .v# ...  ..          
          #..v..X .#.#..   #     
          #.. ### ..# #    #     
          #§ # .#X # #           
           . #   ..    .         
         ##.. .##                
           ##.     #             
         #.    #                 
               #                 
         #