Unable to dry run this testcase?
Try making a new request with small values of n_high, t_high, *_high, etc.

2
7 2
7 4 1 2 3 6 4 
5 1
2 4 5 2 4 

1 4
1 3
4 7
4 5
1 5

2 6
1 5
6 7
4 5
1 5