Very hard Sudoku to print (free PDF)
Download free very hard Sudoku to print in PDF, ready for A4 or US Letter. A demanding challenge, one notch below evil.
Sample puzzles
5
3
8
9
6
8
4
9
6
2
1
5
1
4
4
7
5
3
6
4
5
1
2
4
3
9
5
2
8
7
8
9
1
2
1
5
8
3
4
9
5
6
5
1
1
5
8
2
9
4
6
1
7
3
2
1
9
9
2
6
8
4
5
7
9
4
3
5
7
2
2
4
1
8
5
9
3
1
7
3
2
9
1
6
5
1
8
7
8
3
4
7
9
3
2
5
4
7
8
1
6
8
5
9
9
4
1
2
3
6
5
2
7
3
1
9
6
2
5
8
7
1
4
9
7
8
3
2
7
6
8
3
5
2
9
8
3
1
2
5
4
6
7
9
2
4
4
2
5
3
8
9
6
2
5
6
Why this level?
A very hard Sudoku gives few clues, so plain scanning rarely helps. You'll lean on full candidate marks and techniques like pointing pairs and box/line reduction.
How to print
Click "Download book", open the PDF and pick A4 or US Letter. Six puzzles per page; verify with the separate solutions PDF.
Solving tips
Keep complete candidate notes and watch for locked candidates that eliminate options across a box and its row or column.
Frequently asked questions
How hard is very hard compared to evil?
Very hard sits just below our evil level: advanced techniques, but slightly more forgiving.
What should I expect from a very hard Sudoku?
Advanced techniques throughout and few clues, but a notch more forgiving than our evil grids.
Which techniques help most here?
Naked and hidden pairs, X-wing and pointing pairs; meticulous candidate notes keep you from stalling.