50 2 2 3
.#.#.#.#.#.#.
.............
.#.#.#.#.#.#.
.....#.#.....
.#.###.###.#.
.............
.#.###.###.#.
.....#.#.....
.#.#.#.#.#.#.
.............
.#.#.#.#.#.#@
