# # . . . . ## . # ## ...# . .. . # .. . . . .### # # # # .#. # .. # ....#. .#. . . #..# # ##.. #.... . ... . . # ..##. ...#. .# # # ##..#....... . .x. #4 # . ..... .# # ## .###.......####. #$..... ........... ###.#### # # #.....# #.# ##.#######.# #.#####..#.4...4.# #..... . #.####### #### 4∩.##.# ....4..#.# #.#.##..#4# # # #...# #. # ### .#