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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 #8

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

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

Answer Key

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

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