input:

6
3 0
2 1
1
3 3
1 2 3
3 1
1
3 1
2
3 1
3

output:

3
1 2 3 
0

0

2
2 3 
2
1 3 
2
1 2 

input:

output:

result:

wrong answer Integer parameter [name=n] equals to 3, violates the range [2, 2] (test case 2)