Printable Expert Sudoku

Set 1986427. 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
7
9 4 8
3 2 9 4
1 9
5 2 6
8 6 7
8 3 4
2 4 7 5
1
Expert #2
9 1 7
4 7 5
6 2 5
8 6
4 2 7
1 8
8 6
6 9
7 2 3
Expert #3
3 1 8 9 4
6 2 7 3 9
7
3
6
5 9 8
5
1 6 4 2
2 8 3
Expert #4
7 3
5 8 7 2 9
1
7 4 8 5
5
3 7 6 1
4 5 8
8 5
2 3
Expert #5
5 7 3
9 6
6 2 8
4 1 9
3 8 7
2
2 4 1 5
5 6
8
Expert #6
7 2
1 6 2 3
2 8 1 7
3 8
5 4 2
4 5
9
7 6 4
5 8 9
Expert #7
7 9 5 3
4
2 6 1 8
1 3 9
5 1
9 6 2
5 6
7 5 9 2
1
Expert #8
7 1 6 8
4 2 8 9
8 2
4 2 5
2 4 7 6
6 7
6
7 5
3 6 1

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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