8
1 2 2 2 1 1 0 1
2 1 3 2 2 2 1 2
2 3 1 2 2 2 3 3
2 2 2 1 1 1 0 0
1 2 2 1 1 1 1 1
1 2 2 1 1 1 1 1
0 1 3 0 1 1 1 2
1 2 3 0 1 1 2 1
8
1 2 2 2 1 1 0 1
2 1 3 2 2 2 1 2
2 3 1 2 2 2 3 3
2 2 2 1 1 1 0 0
1 2 2 1 1 1 1 1
1 2 2 1 1 1 1 1
0 1 3 0 1 1 1 2
1 2 3 0 1 1 2 1