#            
 # ##.##           
..#.#..   .##.     
 #.##.# # .# #     
#...#.# .#. .#     
.#....###..#.#     
#u......#...#.    .
...#....... ..  ...
.x..#.4.#.### #... 
..#####..x#.#..#.##
##.. #.###u........
# ..#.##...########
 . ..# ####.       
 ..###     ..      
##...      #..     
  ...       ..#    
   ##       ###