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Sudoku: hard sheet 648

4 puzzles on one page and the answers on the next. Every sheet number from 1 to 999 has its own puzzles.

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Sudoku

Hard · Sheet 648 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
976897416542913451424697348794
2
76517389343276944312193754197
3
356682485434375236771699347264
4
2594298718546371679651332457
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 648
Owlpuzzlesowlpuzzles.com
1
259174638683259147741638529476825391392761854518943762124586973935417286867392415
2
786912345541736829239854176325641798617398254894527631478269513963175482152483967
3
342157986679832145815496273968243751457918362123675498734581629596324817281769534
4
216537489783941562459286731978153246532469178164872953625718394397624815841395627