Unable to dry run this testcase?
Try making a new request with small values of n_high, t_high, *_high, etc.
2 2 5 ..... ..... 5 8 .#.#.#.. #.#.#..# ...#.#.. .#..#.#. #..#.#.#
YES #.#.# .#.#. YES .#.#.#.. #.#.#..# ...#.#.. .#..#.#. #..#.#.#
YES #.#.# .#.#. NO