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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 #13

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

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

Answer Key

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

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