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Sudoku: hard sheet 643

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 643 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
8234517294562874315867271963
2
76934745331845494831382749356
3
534642917292518262452767863
4
12187874235843786571979341
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 643
Owlpuzzlesowlpuzzles.com
1
982346157143725869765981423457192386218653794396874215629438571831567942574219638
2
583194726619273548274586193732619854165842937498735612351468279847921365926357481
3
295378146364291875178465239416839527539712468827654913652183794943527681781946352
4
367592841249138576581746239936257418854619327712384965425871693678923154193465782