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