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Sudoku: hard sheet 400

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 400 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
451896174265436287123957621
2
2194378472959875427165196
3
13578935964836427168593947
4
84762955348318369255134393964183
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 400
Owlpuzzlesowlpuzzles.com
1
418723956673945128925681734267894513584137692391562487142379865756218349839456271
2
231859764569427318784613259413782695625391847978564132842936571196275483357148926
3
527431986396582471184697325219364758873915642465278139648153297731829564952746813
4
584713296623954781917826453249568317836147925751392648392685174178439562465271839