제출 #104207

2
3 1
1 3
7 7
7 3
6 1
6 4
6 3
2 6
7 2
7 1

YES
NO

YES
YES

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

YES
NO

YES
YES

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

YES
NO

YES
YES