## .### #.#.#.# ## .#.# ##.X#..# #X# #.## # ####.#.#. .# .#.#.....#.#. #......$..#... #.#.####.#.#..# .......X.## # . .#.##.#..##.#### #...#..#. .## # #.#..#...##.##.# #..##...#..#.... #... #..........# #..# #.#.#.Z....$ . # ####...##$#. . . #..x#### # #..#....# ...#...t...# . ###.#.#.... #.#...#.#... ..# .....# #. ..# ....#.. #.. ....# . #. ....#. #∩