#            
      ##.            
      #.##   #.      
      #.. ##..#.#    
    ###.##..#...##   
    #............    
    #.....#....#   . 
    ##..#......#  . .
    #..3...#...###.. 
    ####.##...#. .#  
    #.........#..#   
    #.....#..#..#    
 .....#.####.#.#     
#.##..##.  #...#     
  .3. .........#     
 ....  #....#.##     
..#.  #...##...      
_##.   #... # .#     
      ...   .#..     
      .#    . .#.    
            . ..