...                    
   ...   ...#...#.#       
    ..   .......#.#       
    ..   #.v..#.#..       
     .    ........#       
    #.    ##.v..#.##      
    #.  #..##..v#..#      
    # ..#.....v....###    
     .#..##..##v..#.#.#   
   ## #..#......#....##   
   #.  ....#....#.....# # 
    .# ............#....# 
..##. . ##.......#......# 
 #......#.......##......#.
#..... #.....#.. .........
 . ... .......#.#..#.....#
 .. #..#.#.###.##...#.#..#
..#.... ## ..#......##.#..
##  ....   . #  #..#.#   #
   # . .   ##  #.#.##..###
   .###       # .### .##  
  ..  ##     ...#     #   
            ##.           
             ..           
            .             
           .