Printable Expert Sudoku

Set 17r8uw4. 8 puzzles with an answer key, ready to print.

Expert puzzles are our hardest tier, with sparse grids usually in the mid-20s for givens. Expect to fill in every candidate and hunt for x-wings and swordfish. A printed copy and a sharp pencil is the classic way to tackle them.

Each free PDF has 8 puzzles, four to a page on US Letter paper, plus an answer key with every solution. Every puzzle has exactly one solution. A new set appears here every day, or you can grab a different set any time.

Puzzles in this set

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

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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