Printable Expert Sudoku

Set xss40x. 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
6
5 7 6
6 1 7
5 9
4 1 2 3 5
8 3 4
1 7 3 9 4
5 7 2 3
Expert #2
9 6 1
4 5 8
5 9 2
2 4
7 9 3
8 5
2 7 9
2 6
6 4 5
Expert #3
7 8
2 3
5 3 7
6 1 2
3 9 7 5
8 6
2 9 5
5 1 2
3 4
Expert #4
8 6 7 5 2
2
5 6
3 7
7 1 5 2
5 6 9 1
3 2 7
1
1 4 5
Expert #5
7 9 3 5
5 6
6 9 3 7
2 5 7
6 5 3 1
8
1 5 4 8
8 4
9
Expert #6
2 3 8
5 1 2
4 3 9
3 6 2 9 5
7 9 6 3
1
1 8 3 5
7 9 2
Expert #7
4 8 1 5
7 2 9
3 8
5
4 6 3 8
6 9
4 5
9 7
6 1 4
Expert #8
6 8
5
7 3 9 4 6
1 2 3
2 4 5 7
7 5
2 3 9
4 6 1

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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