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