Printable Expert Sudoku

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

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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