제출 #116154

4
3 1 10 1
2 1 12 1
1 1 12 1
2 1 10 1

0

1

4
2 2 5 8
3 27 12 9
1 24 12 22
1 16 12 31

2

1

4
1 22 12 21
2 13 8 16
2 17 9 25
4 8 12 21

2

1