Printable Expert Sudoku

Set 1nfk9w3. 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
3 4
9 2 8 6
8 6 1 3
7 8
6 2 9 7
9 2
8 5 1
3 1 8
5
Expert #2
5 7 8
1 4
8 6
4 3
9 8 1 6
5 4
4 3 2 5
9
7 5
Expert #3
1 3
6
9 8 2 5
4 6 5
7 1 5
1
7 4 6
6 5 9
3 7 4
Expert #4
7 3 4 5
6 5 3
9 7
9 4 3 6
8 1
8
3 9 7
7 4 8
5 9
Expert #5
2
9 4 5
8 6
1 8 9 5
5 2 3 7 8
4 5 9
6 4 1
6 1 2 9
Expert #6
6 9
8 4 2
3 2 1
6 5 8 7
5
3 2
1 6 2
4 1
3 4 6
Expert #7
8 7 9 4
3 8
7 2
4 2 7
1 3 6
1
5
6 9
9 1 2 4
Expert #8
6 4
4 7 1 9 2
9 1 8
2 9 4
1 5
8 7
7 9
8 3
5 4

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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