Printable Expert Sudoku

Set oizb3b. 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 5
8 9 2
4 7 1
5 1 9
6 3
7 2 9
4 5 8
6
5 3 7
Expert #2
7 1
1 8 6 4
9
2 7 6
2 5
4 5 3 7
2 5
4 5 1
8 1 3
Expert #3
2
3 8 6
9 1 4
5 7 3
2 5
1 3 9
1 6 9
6 8 1 3 2
4
Expert #4
2 7 5
3 1
6
1 3 2 4
2 3 7 8
7 5 9
6 4 8
7 2 3 6
8
Expert #5
1 7 5
6 5
1 7
2 6 9
8 2 1
9 3 8
4 2
9 2 5 1
6 3
Expert #6
9 5 3 8
7 1
2 3
1 5 4 2
6 4
9 7 2 8
3 5 8
6 8 3 4
Expert #7
4 8 9 7
8 2 4
9 6 5 1
7 1
5 6
1 2 6
9
5 6 9 2
5 1
Expert #8
1 9
3 9 6
7 5 1
1 5 8 9
4 2
3
5 3 6 4 7
8 4
7 9

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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