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Sudoku: hard sheet 66

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 66 · 9×9
Owlpuzzlesowlpuzzles.com
  • Write 1 to 9 so every row, column and 3×3 box holds each number once.
1
71634285796229172856733574
2
57867518989156184795391248638615
3
4586176325471268931493625891
4
4174835697322879376186235125
Answers on the next page.More free sheets: owlpuzzles.com/printable-logic-puzzles

Answers

Sudoku · Hard · Sheet 66
Owlpuzzlesowlpuzzles.com
1
587216934496357128213948567961732845724865391358194672845623719679481253132579486
2
192543786754618392638729451583297614216854937479136825345962178927481563861375249
3
394258716851976342267413859648139527132745698975682431716524983489361275523897164
4
986417235742953861315862497591748326268531749437296518159384672823679154674125983