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