3 0 4 0 3 2 1

1 2 3 4 0 1 2 1

1 2 3 4 0 1 2

1 2 3 4 0 1 2 4

4 2 3 0 4 1 2 1

3 4 0 1 2 1

0 3 4 2 2 1

3 2 0 4 2 1

1 0 3 3 2 4

4 0 3 3 2 1

3 4 0 1 2

4 0 3 2 1

3 4 0 1 2 4

4 2 3 0 4 1

0