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A challenging large-print sudoku for experienced solvers — expect real pencil-work. Verified to have exactly one solution. This sheet is free and printed in large, senior-friendly type — use the Print button above for a paper copy, or choose “Save as PDF” in the print dialog. Prints as the puzzle only — tick the box below if you’d like the answer key included (it prints on its own page).

Sudoku — Hard #22

Instructions: Fill the grid so every row, column, and 3×3 box contains the numbers 1–9.

Level: hard
2
5
6
3
3
1
4
8
6
5
2
4
9
1
7
6
2
4
6
7
3
7
8
3
4
9
4
8
6

Answer Key

7
9
1
3
2
8
4
5
6
8
2
4
5
9
6
3
1
7
3
6
5
1
4
7
2
8
9
6
5
7
8
3
2
9
4
1
9
1
3
4
7
5
8
6
2
2
4
8
6
1
9
5
7
3
5
7
6
2
8
3
1
9
4
1
3
9
7
5
4
6
2
8
4
8
2
9
6
1
7
3
5

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