input:

33428
10
1 2 3 3 4 6 7 7 9
10
1 2 3 4 5 6 7 8 8
8
1 2 3 4 5 6 7
8
1 2 3 4 4 6 7
4
1 2 3
3
1 2
3
1 1
9
1 2 3 4 5 6 7 8
2
1
3
1 2
10
1 2 3 4 5 6 7 8 9
3
1 2
2
1
10
1 2 3 4 5 6 7 8 9
2
1
5
1 2 2 4
8
1 2 3 4 5 6 7
5
1 2 3 3
2
1
5
1 2 3 4
3
1 2
9
1 2 3 4 5 6 6 8
9
1 2 3 4 5 6 7 8
9
1 2 3 4 5 5 7 8
8
1 2 ...

output:

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

result:

wrong answer 1st lines differ - expected: '4', found: '7'