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Sudoku: hard sheet 631

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 631 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
1671831892699426897685185737
2
451398695763798534762614
3
5848941793743628948659216147
4
4869385467739214951683755862
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 631
Owlpuzzlesowlpuzzles.com
1
845297163971563284326148759213786945759432618468951327692875431184329576537614892
2
496258371715369842832471569584197236163524798279836415341985627957642183628713954
3
756891423829743651143256798518937264437612589692485317365179842974528136281364975
4
748629531391875246265143879473956182859231764126784953517462398682397415934518627