input:

116
4 0
3 2 6 6
4 1
3 2 6 6
10 19
10 2 8 4 2 4 9 3 3 3
4 8
3 9 3 6
2 19
2 10
11 15
3 1 1 4 3 7 10 8 6 7 10
10 14
8 7 1 1 10 9 2 8 10 7
2 13
2 3
10 10
8 1 6 6 9 4 7 1 8 8
7 14
6 7 4 5 3 1 3
11 6
8 1 10 9 7 2 6 6 1 3 9
4 10
6 1 3 8
7 7
10 6 2 10 4 7 2
5 11
9 10 5 9 2
9 1
2 4 8 6 2 8 8 1 6
4 5
7 2 9 8
...

output:

0
0
4
6
19
3
2
13
1
4
0
4
2
6
0
2
7
3
18
10
0
2
3
0
0
2
6
0
1
6
17
14
1
4
3
0
4
9
6
4
1
3
0
2
0
4
18
2
0
0
12
8
0
16
2
11
4
2
0
0
2
0
2
0
5
2
0
0
0
0
5
0
4
5
14
0
0
18
3
0
2
4
0
0
4
4
6
1
0
5
14
3
8
0
4
0
10
12
5
8
1
6
7
0
725
0
17
132
676
426
110
0
163
41410487290
1000000000000
32472297816

result:

wrong answer 5th numbers differ - expected: '20', found: '19'