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Sudoku: hard sheet 638

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 638 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
857418948956285475657621833586
2
2375128625926216179381417728
3
2841379617571697556832394
4
918211849546151689713524681284
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 638
Owlpuzzlesowlpuzzles.com
1
892657143675431289413892675361248597758963421924715368549176832186329754237584916
2
562983174493751628817642593934517286725836419681429357259368741348175962176294835
3
526843719841967352739521864174358926295716483368492175952174638413685297687239541
4
792156384584329176361784952473861295219435867856972431935247618648513729127698543