2
1 3 4 3 1 5 1 3
4 4 4 7 2 7 4 4
0 0 2 0 2 3 0 0 2 0 4 0 2 3 2 0

4
0 0 4 0 4 2 2 2 0 0
0 0 4 0 2 2 0 2 0 0
4 4 0 4 2 3 4 4
0 4 4 4 2 6 0 4
0 0 4 0 2 2 0 0 0 0 2 2 2 4 0 4 0 0 2 2 4 0 4 4 2 4 2 2 0 4 4 4 2 5 0 4

0