Printable Expert Sudoku

Set 25va9e. 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
4 5 9
5 8 4 9
2 1
4 8 7 3 6
9 6
8 5
7
1 7 3
3 1
Expert #2
3 4 1
1 5 2
8 2 6 9
9 8
5 2 3 4
8
6 2 5
9 2
4 6
Expert #3
9 7 8
3 5 1
6 7
4 3
2 9 4
4 6 7 2
6 7 9
2 5 4
3
Expert #4
4 7
6 3
2 6 4 9
9 3
1 3 5 6 4
1
3 9 1
6 8 5
9
Expert #5
5
4 1 2 3
6 3 7 9
7 2 3
3 4 9
1 2
2 8
3 4 6 8
5 6
Expert #6
6 4
2 8 7
2
6 2 3 9
7 4
3
6 9 5
7 8 9
5 2 1
Expert #7
6 3 1 5
2 8 9 6
9 5 3
9
7 4 8
5 2 3
4 5
3 2 7 9
Expert #8
6 4
4 2 3
9 1
7 1 8
2 9 3
6 9 8 3
3 4 2
4 8 9
7 6

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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