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Sudoku: hard sheet 522

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 522 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
6928461752977918843521916436
2
3864237826185137479438936475
3
712685482967571314841764853
4
92487841283837261213647581762
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 522
Owlpuzzlesowlpuzzles.com
1
264539718795128346183764952521483697637951824849276135356892471912647583478315269
2
219386457864527931375149826637291548951864372428753169743912685592638714186475293
3
471539268256148397389762415914625783865374129723981654137856942592413876648297531
4
392486571865173942741592836428365719157829364936741258213658497679234185584917623