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Sudoku: hard sheet 512

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 512 · 9×9
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  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
9128331269391464258751419447
2
62358719626541983123867595
3
67827343295158482762981315
4
9241671232946643928563817836
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 512
Owlpuzzlesowlpuzzles.com
1
294638751156279834738541269523987416981456327647312598875163942319724685462895173
2
451687923639452871872319564127593648543826719968741235715238496386974152294165387
3
916458732827936451543127968389245176152769384764813295438571629275694813691382547
4
952437681867152943134869527529746138316285479478391265683914752295673814741528396