input:

10000
1 9 7
8 9 1 5 3 7 4 6 2
1 8 2
7 5 1 6 4 2 3 8
1 1 0
1
1 8 3
5 7 8 3 2 1 4 6
1 10 948645336
3 10 1 6 2 8 9 5 7 4
1 1 0
1
1 10 7
5 3 10 8 1 7 4 9 6 2
1 9 6
4 8 5 7 2 6 3 1 9
1 7 1
3 5 1 6 2 7 4
1 6 6
5 3 1 2 4 6
1 1 1
1
1 2 0
1 2
1 1 1
1
1 6 3
5 6 2 4 3 1
1 5 673454194
2 3 1 4 5
1 4 1
1 4 2 3
1 ...

output:

9
8
1
8
10
1
10
9
7
6
1
2
1
6
5
4
1
7
3
3
6
8
9
10
5
6
2
10
4
2
5
7
10
1
4
1
3
9
1
2
4
3
10
5
5
2
5
6
9
5
10
1
7
5
2
2
7
1
2
9
8
9
1
6
6
2
2
1
2
6
4
6
1
2
6
4
2
3
4
7
3
4
1
6
3
5
10
7
4
1
10
3
4
2
6
10
1
8
4
9
9
10
4
6
3
3
6
2
2
6
6
10
7
7
1
3
2
7
9
3
4
4
5
6
3
7
5
6
5
5
8
2
6
6
9
7
7
10
8
1
1
10
7
...

result:

wrong answer 2011th numbers differ - expected: '4', found: '3'