Printable Expert Sudoku

Set 17ink20. 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
8 9 7
4 9 8 6 3
1 5
5 4 7
9 2 3 4
6
8 9 1
4 8
3
Expert #2
2 6 7 8
1
8 4 9
5 2 7
3 6
6 5 1 9
1 5 8 9
9 4
6
Expert #3
4 6
8 1 5
1 9 2
6 4 2 7
9 3
5 4
2 6
9 6 4 1
3 8
Expert #4
8 9 4
4 8 1
1 6 5 8
1 8 7
9 3 2
3 1
3
3 6 5 4
8 2 6
Expert #5
8
1 4 7
5 8 7 1
9 3 2
7 5 8 6
9
9 5 8 7
3
9 6 3
Expert #6
6 8
7 6 8 9
5 3 2
2 7 3
9
3 4 5 2
1
1 7 4
7 3 8
Expert #7
6 3 7
7
9 6 1 7
4 8
2 3 4
8 6 9
6 1 3
3 6
4 9 2
Expert #8
6 2 7 8
5 2 6
6 9
8 6 4
1 3
3 2 9
4 8 9
8 5 1
5 3

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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