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