Printable Expert Sudoku

Set 91cc63. 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
1
1 2 5
4 6 8 7
5 2 6
7 9 8
6 3 5
9 1 3
7 8
2 4 9
Expert #2
8 7 3
8 4
3 2 9
1 6
6 9
5 8 7
9 4 2
5 8
3 6 1
Expert #3
1 5 3 8
9 1
8 6 7
4 9 3 6
7 1 2 3
2
3 2 9
3 5
2 5 7
Expert #4
2 6
8 9
6 9 7 5
6 3
4 8
9 5 1
7 5 4
4 2 9 7
3 9
Expert #5
7 4
1 6 7
6 2
2 5 9
3 8
9 4
4 8 9 6
3 2 5 7
3
Expert #6
1
2 5 3 9
4 7 6
3 1 9 5
8 9
2 3 7 4
7 2 4
9 3 6 7
8
Expert #7
9 1
8 7
1 3 7
4
6 1 4
3 2 5 6
8
7 3 6 5
5 8 2
Expert #8
2 9 7
7 8
6 4 8 1 3
5
1 9 4 5
8 9 3 7
2 4 5
1 8
9

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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