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Re: Here's a 9x9 Sudoku for the experts.
Sorry there are no lines separating the numbers, but I think this is correct. JohnW
1 6 9 3 5 4 8 2 7
4 2 8 9 7 6 3 5 1
3 5 7 2 1 8 6 4 9
5 3 1 6 2 9 7 8 4
9 8 4 5 3 7 2 1 6
6 7 2 8 4 1 5 9 3
7 9 3 4 8 2 1 6 5
8 4 5 1 6 3 9 7 2
2 1 6 7 9 5 4 3 8
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