2 1 4 0 1 3 0 1

2 1 4 0 1 3 0

2 1 0 4 2 1 3

2 1 0 4 1 3

3 1 2 1 0 4

4 2 1 0 4 1 3

4 2 1 3 1 0 4

2 1 0 3 4 2

3 0 4 2 1 3

1 0 3 4 2

2 0 4 1 3

2 1 0 3 4

2 0 4 4 1 3

4 2 3 1 0 4

0