# . # . . .. . . ## . . . .# # . . . . #. # ## # .. #.#. .# ##. .# # #..###.#.. ##. #.#.......# # .. #x.#....# #.## # ##. #.?.#3##.#..#. #...####.#. 3._. # #....#3#. # .(..# #...##.# . #4 #..###.#.# . . #..####.#...# ## #..# #.#. . . .#.. #.# # # ## .#.## #... . .. ## ## ..# # .#. . ## . . . . .