.   .    
           .   ..   
          # .  .##  
           ..  ..   
           #.##.#   
           #....    
           ##..#    
         ###.#.##.# 
         .#.# ...#  
       ##.#.#3#..#  
    #  #.###..#####.
    #.##..# ##.. ..#
..###.#...##...#. ..
.......#.3.#.##.#. .
     #..###...#..  .
  .###.#..## ###.   
  #.......#     #.  
  ###..##3## #      
    #.....#         
   #.#...........   
  ..#.....#.....#   
 .#.#....###...##   
  ....#..   ....#   
  #...#..    ....   
  ..# ...     ...   
  .. #...     ...