. ##           
# #.#           
....#           
#..##   ########
..####  #.#....#
#..# ###.....#  
. #.# #.#4..#   
... #  #...#    
##. ####.#.#    
#.#...#....#    
##....####4#    
#. #. #.#.##    
..## #.4.##     
## #.# ###      
   .#..#        
  ##.###        
  ..#           
 ##.            
  .             
 .