10
10
1 1 1 1 1 1 1 1 1 1
1 2 2 1 1 1 1 2 2 1
1 2 3 1 1 1 1 3 2 1
1 1 1 3 1 1 3 1 1 1
1 1 1 1 3 3 1 1 1 1
1 1 1 1 3 3 1 1 1 1
1 1 1 3 1 1 3 1 1 1
1 2 3 1 1 1 1 3 2 1
1 2 2 1 1 1 1 2 2 1
1 1 1 1 1 1 1 1 1 1

