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Sudoku: hard sheet 578

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 578 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
61937298129315748253748916
2
1583694371438614627986262365
3
85137894526828371594571652
4
463349218623584574281482875567
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 578
Owlpuzzlesowlpuzzles.com
1
963784152185962473742351698451297386628135947397648215539816724876429531214573869
2
135967284487123956962854371249381567876592143513746829798635412654219738321478695
3
264785931139642758758139642541268379327954186986371425892413567475896213613527894
4
947826315536491728218573694162358947784169532359742861671235489423987156895614273