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Sudoku: hard sheet 507

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 507 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
652774352978398674368551964538
2
8721496557894613992184687192438
3
3948554732197851526491289275
4
659727812589576138493418567
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 507
Owlpuzzlesowlpuzzles.com
1
681527349794316825325849761216975483958234617437168592873692154542781936169453278
2
872549613149368527536127849385794261261835974794216385913482756458673192627951438
3
173296485528134769649857123256419378984763251317528946435982617761345892892671534
4
865937421972154368143682597637218954489576132521349786758463219396721845214895673