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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 #4

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

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

Answer Key

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

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