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

4 9 8
*.......*
**..*.**.
**.*.**.*
**....*..
4 9
4 8
1 5
1 8
4 2
2 8
4 5
1 4

9
9
9
10
10
9
10
9

9
9
9
10
10
9
9
8