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Sudoku: hard sheet 621

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 621 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
429542293329413517768697538
2
175424651229369571453745623
3
62283159413945732461785687
4
495114918542984635268241735
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 621
Owlpuzzlesowlpuzzles.com
1
378425169695871423412693587756384912984216375123957648231769854869542731547138296
2
617295483294183675358476912736852149481369527529714368142937856863521794975648231
3
378196542492583167516274398754618239289435716631927485965342871147859623823761954
4
843695217756213984921874563574361829392587146168429375437152698285946731619738452