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Sudoku: hard sheet 657

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 657 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
8739517124988594196884163574
2
873516287345589147275626993765
3
471581642817928641648218625731
4
718942166764138827824175824
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 657
Owlpuzzlesowlpuzzles.com
1
876435219549261387231978645653724198728519463194683752965347821487192536312856974
2
874392651523816749196475328719634582658921473342758196267583914485169237931247865
3
459783162672195483381642957845321796293876514716459328937218645124567839568934271
4
721863495495721836863549721579186342142937658386254179914672583238415967657398214