Printable Expert Sudoku

Set h7d2ko. 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
2 1 9
3 7 4
7 1
9
4 8 2
8 2 7
4 2
7 3 5 6 4
5 2 6
Expert #2
7 5 3 9 6
3 4
6 2
4 9 8 1
8 1 9
5
9 3 2 8
3 7
4
Expert #3
5 3 1
3 8
9 1 4
6 5 1
9 3 4
8 6
5 3 2
8 4 1
3 1 7
Expert #4
8 7 5
9 6 3 7
6 2
1 9 2
7 5 2
4 1
1
5 7
2 4 5 8
Expert #5
3
2 3 8
4 7 9 2 6
4 6 9 5
7 8 6 9
4
1 9 2 4
7
6 1
Expert #6
5 1 7
6 4
8 3 4
7 8 2 1
9 7 6 5
6 1
8
9 5 4 2
Expert #7
8 9 6
1 2 3
2 5 3 1
9 7
9
3 1
8 6 7
6 3 4
4 8 9 6
Expert #8
8 1
1 7 3
3 2 4
5 2 3 4
8 5
6 2
4 9
3 7 6 5 1
7

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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