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Sudoku: hard sheet 679

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 679 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
6843489177128849261723156674
2
1859451224865298319368592546
3
7912981344269387594657697842
4
296817433519149357243193547825
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 679
Owlpuzzlesowlpuzzles.com
1
213678549679345128548921763731469285856132974492587631987213456124856397365794812
2
185296437473581692269473851847912365512364978936758124751649283624835719398127546
3
438756912192483576576219834347125689961348257825697341659871423213564798784932165
4
296871453518234679743659182635718294184923567927546318472185936859362741361497825