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Sudoku: hard sheet 690

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 690 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
82613476171929324835237621
2
5763925532261874762649741
3
6781239473159324954685487
4
244389892412831462932714286385
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 690
Owlpuzzlesowlpuzzles.com
1
815349726962517483437628915571492638243786159698135247184963572359271864726854391
2
352849761617235984849671325791583642526914873438726159263158497185497236974362518
3
657134289419728635328659471536247198184593762972816543895471326761382954243965817
4
517936824423158967689724315268493571791582436345617289936275148172849653854361792