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Sudoku: hard sheet 510

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 510 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
5798374328532891728592163635
2
9475735682943164627539941287
3
8175763479657584122818798654
4
86989243647533951812869214
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 510
Owlpuzzlesowlpuzzles.com
1
142578396689213754357946182816457923423869517795321468534182679271694835968735241
2
623948715784315962519762843257896431931574628846123597475631289368259174192487356
3
892461753763985241514723698238694517659137482471852936927348165345216879186579324
4
835761429724359861916824375648197253152638947397542618471283596589476132263915784