Printable Expert Sudoku

Set 567xun. 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 2 8 5
1 6
3 5 8
5 8 7 4
7 9 3 2
9 5
8 3 2
4 3
7 2
Expert #2
3 7
5 6
2 8 3 9
9 6 4 8
6 4 3
7
1 2
5
5 8 1
Expert #3
2 3 9
6 5
8 7 6
3 2
8 9 7
2 7 3 4
6 9 3 4
8 1 9
Expert #4
3 4
9 4 8
2 7
5
2 6
1 3 2
4 2 5 7
4 8
8 5 6 9 2 3
Expert #5
5 1
3 5 8 2
5 6 7
8 2
2 4
2 7 9 5 3
8 4 3 7
4
Expert #6
8 2 3
7 2 8
9 3 7
8 3
1 6 7 9
4 1
4 7
1 6
8 2 6
Expert #7
4 2
2 5 6 4
5 9 1
6 3
8 1 9 7
7 4
5 3
8 2
4 3 1
Expert #8
8 7
1 6 8
8 4 6 9
5 4 2
8 1 6 7
9 4
5 2 9
4 9 8
5 1 3

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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