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Sudoku: hard sheet 678

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 678 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
17862859341943864396487645
2
9848179685823698496799574132
3
23495574327181564373371841983
4
5892747739318268437213447928
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 678
Owlpuzzlesowlpuzzles.com
1
413728596692345781857961243534286917971453628268197435325879164146532879789614352
2
931846275485172396672539814159768423726314958843925167267481539398257641514693782
3
162783495578649132943512786796438251281957643354126879827391564635274918419865327
4
586942137314587269972631584793156842241873956658294371869425713127368495435719628