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