input:

10000
15
010111111011011
10
1000101111
10
0011111101
1
0
3
110
4
1000
8
10000111
20
00000101000100001110
13
1101110110110
13
0111100011010
17
00001001111110101
1
0
20
10001010011000111100
11
00100110101
11
10110101000
15
001011110011000
16
1110111110000111
15
011110110110010
1
0
20
10110001101100010...

output:

13
7
13
0
2
1
4
6
9
7
10
0
9
6
5
7
11
9
0
9
8
8
3
6
0
6
2
5
4
8
13
4
10
1
8
2
1
12
1
8
11
9
13
5
13
15
17
6
4
4
5
1
1
10
9
5
3
0
0
13
8
5
6
7
6
4
9
1
4
5
12
0
2
10
5
3
7
7
3
7
4
3
12
10
15
2
6
6
10
8
6
1
3
6
2
11
10
5
0
0
7
7
4
7
0
4
7
9
3
5
11
3
6
16
8
1
13
6
5
2
4
9
7
1
5
7
8
3
5
11
6
13
8
8
9
16
...

result:

wrong answer 1st numbers differ - expected: '11', found: '13'