Sudoku

Hard · Sheet 519 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
1428641936536347784318675278
2
418235464585398253963595934861
3
1849326139267258829917735687
4
4179971268259122387619223459763
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Answers

Sudoku · Hard · Sheet 519
Owlpuzzlesowlpuzzles.com
1
635781942928645713714293856592478361863129475147536298459312687381967524276854139
2
754921386829356471163478925481567239976832514532149867348715692615293748297684153
3
136852749457319862289764153392481576674295381815637294921576438748923615563148927
4
431257968957168324682439751864591237795324816213876549378645192126983475549712683