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Sudoku: hard sheet 528

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 528 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
652893867783934895946582726393576
2
23456197836853725845636349258
3
62354193279554162872587296
4
4256193257137315725988455687
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 528
Owlpuzzlesowlpuzzles.com
1
652749183493518267178236945287163459364895712519472638946357821725681394831924576
2
231946587684751932795283416962134875143875269578692341427568193856319724319427658
3
623754189498132567751698342274983615586217934139546728867329451912465873345871296
4
347182596168945237295367841612453789873629154459718623724536918981274365536891472