Unable to dry run this testcase?
Try making a new request with small values of n_high, t_high, *_high, etc.
6 10 10 8 3 3 6 10 9 5 7 4 7
6 2 8 3 3 6 7 4 5 7 10 9 10 10 LR LR LR LR LR LR UU DD UU DD UU DD
2 6 8 3 5 7 10 10 3 6 4 7 9 10 LRLRLR LRLRLR UUUUUU DDDDDD