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Sudoku: hard sheet 669

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 669 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
5739428169898249334743725123
2
3255876591586137846127814591
3
8415287954573569794218276419
4
49671637587456839786597289615
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 669
Owlpuzzlesowlpuzzles.com
1
528417396974326581163985724397641852812753469645892137289134675436579218751268943
2
863725914495318762127964835932471586651289347784653291219847653578136429346592178
3
268341597543972816719856324921564783354187269687239451495623178132798645876415932
4
549632871163978542728541963871463295456289317932157486284715639615394728397826154