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Sudoku: hard sheet 504

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 504 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
1659713628352661388936459361
2
7542423867481346713759854768294
3
25618239728546235939979146
4
5362934161856372241145367849
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 504
Owlpuzzlesowlpuzzles.com
1
281635947574918236693724815437582691815469372926173584158297463362841759749356128
2
715648239429357681386912547572489163894163725163275498947536812251894376638721954
3
274563981198742653635198247712359864589476132463281579821637495346925718957814326
4
194675328365298147872341695418726953639514872527839416281453769953167284746982531