input:

5553
12 19
8 8 11 18 12 9 15 38 6 32 30 30
17 28 33 2 37 20 11 38 36 18 18 30 20 33 13 31 33 37 8
12 6
7 12 14 2 19 2 17 7 4 20 1 13
7 18 23 22 1 16
8 7
5 2 4 2 4 5 8 12
13 16 6 6 5 16 11
5 7
5 13 3 8 3
11 6 9 11 13 8 11
17 19
944782509 244117333 140979583 661724696 617847780 321687699 418677763 725...

output:

1
3
1
0
17
8
20
3
0
2
11
1
4
5
4
3
11
13
2
3
5
4
1
15
9
2
3
9
Impossible
3
1
1
0
1
0
5
4
4
4
16
11
2
1
Impossible
11
5
4
4
4
0
11
2
19
3
5
7
2
8
2
2
3
1
2
7
5
5
3
2
3
6
5
4
15
3
1
2
0
4
3
4
4
0
9
2
2
Impossible
16
5
5
4
3
4
3
4
5
1
1
7
3
2
2
6
5
7
7
2
1
1
4
Impossible
2
2
20
4
1
2
1
9
3
1
1
3
2
4
3
...

result:

wrong answer 3rd lines differ - expected: '4', found: '1'