0 1 3 1 2 4 1 0

2 1 0 0 1 3 4

0 1 3 1 2 4 1 2 3

0 1 3 1 2 4 1 2

3 4 1 1 2 1 0

0 1 4 1 3 4 1 2

0 1 3 3 1 2 4 3

3 4 2 1 3 3 1 0

0 1 3 1 2 4 3

0 1 3 3 1 2 4

0 1 3 1 2 4

0 1 4 1 2 3

2 1 3 4 1 0

0