Play the best sudoku shared by the free-sudoku.com surfers. The black grids are the most difficult and the green the easiests. Blue are medium and red are expert.
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629845317
318769524
254987163
173652498
896431275
761594832
985326741
432178956
This the only solution I can find.
There are 2solutions. Not a True sudoku Tough for expert Where's the second solution? I took my time and didn't find it.