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Sudoku: hard sheet 661

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 661 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
95687349692678197642389421595186
2
2131899546547887129684492337
3
59132168126748194259762367
4
971673158764163252571159786
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 661
Owlpuzzlesowlpuzzles.com
1
684793521195642387237518496549126738813957264762384915421879653956431872378265149
2
987254316425316897613798542296531478354879621871462953768145239149623785532987164
3
539216874748395216261784953124973568657428139893561742382657491976142385415839627
4
859427163726138549314695827562384791471569382983271456235746918648913275197852634