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Sudoku: hard sheet 670

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 670 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
397856319171572823832511493
2
7643459835273584269217191893
3
8647913834618724576389552176
4
63842515686157937392497632
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 670
Owlpuzzlesowlpuzzles.com
1
394617825125894376867235914586941732413572689972368541638129457249753168751486293
2
952786431463215987781349562896524173375691824124837695639452718247168359518973246
3
831642795274159638965873412629784351187536249543921867716398524498265173352417986
4
769318542285496173413725968847269315321587694596134287138942756652871439974653821