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