#   ###. .#.. 
    #. # # .#  ..
   ##.   ....# .#
   ..........    
  #.#.##.####... 
  ##.#...##  .##.
   ..##.#.#  .#  
    .####.#      
  ###.##..##     
  #...#....#     
    ##3.###..#   
#  ##..##....#   
#.##.....#   #   
 #..##.###   .   
 #....#..    ##  
 #.#.....#       
 .# ..####       
#z  .#.          
#   #..#         
#    # #