Unable to dry run this testcase? Try making a new request with small values of n_high, t_high, *_high, etc.
7 12 1 1 3 2 1 5 2 1 7 2 2 3 2 2 4 2 2 6 2 2 7 1 3 4 1 3 7 1 4 7 1 5 7 2 6 7
NO
YES R 4 R 0 L 1 L 2 L 5 L 3 L 6