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Sudoku: hard sheet 310

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 310 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
4872691419345938321852889271
2
961428256962133691282763378591
3
526935164138944813183352961
4
152471428859456359963478558
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 310
Owlpuzzlesowlpuzzles.com
1
418397526975682143623451879341526987287943615569718432136879254752164398894235761
2
963714285478325619152689374624598137385172946791463528519247863846931752237856491
3
854192673976483125231756894612375489793248561485961237147829356368517942529634718
4
428763915159284367637591428216348579894157632375926184963472851741835296582619743