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