제출 #38772

4 2
0 0 1 1
0 1 1 2
2 2 2 0
2 0 2 2

6

5

4 2
1 2 2 2
0 1 2 1
0 2 2 1
2 0 1 2

7

6

4 2
1 0 1 1
2 0 2 2
2 1 2 0
1 1 1 1

15

14