input:

4
4
1 4
4 1
1 2
2 1
2 3
3 4
2
1 2
1 2
1
3
1 2
2 1
2 3
3 2

output:

4
1 4
4 1
1 2
2 1
2 3
3 4
2
1 2
1 2
1
3
1 2
2 1
2 3
3 2

result:

wrong answer Token parameter [name=answer] equals to "4", doesn't correspond to pattern "[a-zA-Z]{1,3}" (test case 1)