input:

50000
10
5 4
1 2
4 10
8 4
7 4
6 4
4 7
4 8
10 4
1 4
2 7
3 9
10 6
10 1
4 3
9 4
3 4
4 5
10
8 4
7 8
9 8
3 8
4 9
2 8
10 8
8 2
4 7
9 5
5 8
6 2
4 8
7 1
9 3
9 6
1 8
2 10
10
3 8
6 10
7 6
7 5
2 6
7 4
6 1
6 7
1 3
9 7
10 7
5 7
1 7
4 7
3 7
8 7
5 9
1 2
10
5 4
2 6
3 1
9 1
1 5
8 10
2 1
8 1
1 2
4 1
10 2
7 1
6 1
1 8
...

output:

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

result:

wrong answer Token parameter [name=answer] equals to "1", doesn't correspond to pattern "[a-zA-Z]{1,3}" (test case 1)