2 6 8 7 7 4 |
4 2 1 7 5 3 |
1 3 5 5 4 9 |
3 2 1 0 5 9 |
5 9 2 4 2 1 |
1 9 8 8 9 4 |
2 8 3 6 3 3 |
9 6 8 3 7 4 |
3 1 7 1 9 6 |
4 2 6 0 9 1 |