제출 #121833

3
2 1 5 1
2 1 12 1
3 1 4 1

5 1 3 1
1

1

3
9 1 11 1
1 1 8 1
5 1 12 1

8 1 3 1
1

2

3
2 1 7 1
8 1 9 1
4 1 8 1

7 1 3 1
8 1 7 1
9 1 8 1
0

0