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Sudoku: hard sheet 688

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 688 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
3682434926214658391761415758
2
1652371287852879216389216343
3
1462978416383495227842391643
4
34214335419767815712873644536
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 688
Owlpuzzlesowlpuzzles.com
1
326478195598162473147953682639721854214685937875394261752846319481539726963217548
2
378149625526378419149562387463785192281934576957216834632857941895421763714693258
3
129836475876542139345791268451268397783419526692375814268953741937184652514627983
4
534297816278164935691358274419532687326781549785946123852673491163429758947815362