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Sudoku: hard sheet 815

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 815 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
638974128521936397955833947
2
31547931998416735257781692
3
647412838462136112417655273238
4
4235614723548947153985684921
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 815
Owlpuzzlesowlpuzzles.com
1
632518479875694312194327865587246193941735286263189754719453628456872931328961547
2
381594726592761384647328159729845613853619247164273598235987461916432875478156932
3
861534972479612358352987416215743869946825137783196524137468295598271643624359781
4
963218745274935681581647923135784296829563417746129538397852164658491372412376859