1 2 1 4 1 1 1 3

1 1 2 4 2

1 2 2 1 1 2 1

4 2 2 1 1 1 1

2 1 1 3 1 3 2

1 2 3 4 1 1 1

3 1 1 1 1 1 1 1 1 1 1

1 2 1 1 1 2 1 2 1 1