Unable to dry run this testcase?
Try making a new request with small values of n_high, t_high, *_high, etc.
5 ?e??? 13 c c d cbe b dc cedba cab bc ab a ebacd acbe
9 9 9 621 9 112 4075 513 112 112 9 4075 1776
11 11 11 621 11 120 4075 531 120 120 11 4075 1776