1 1 1 1 1 1 1 1 0
1 2 2 1 2 2 2 1 0
1 2 2 4 4 2 2 1 0
1 2 2 4 4 2 1 1 0
1 2 2 4 4 2 2 1 0
1 2 2 1 2 2 2 1 0
1 1 1 1 1 1 1 1 0
0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0
1 3
6
2 2
3 2
4 2
3 4
2 5
4 5