제출 #143503

2
2
1 2
1 1
2
1 2
2 1

1
1

11

2
3
3 2
1 3
1 1
3
3 2
2 1
2 1

1
2

12

2
5
1 3
1 4
1 5
1 2
5 4
2
2 1
2 1

1
1

1
2