Unable to dry run this testcase?
Try making a new request with small values of n_high, t_high, *_high, etc.
2 16 15 16 0
0 1 2 12 3 13 4 11 5 10 6 9 7 8 14 15 0 15 1 14 2 13 3 12 4 11 5 10 6 9 7 8
15 14 0 1 8 6 7 9 3 12 4 11 5 10 0 15 1 14 2 13 3 12 4 11 5 10 6 9 7 8