Printable Expert Sudoku

Set 1dt7shi. 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 1
6 9 3
9 1 2 4 6 7
4
5 1
6 3
3 8 6 5 9
3
2 7
Expert #2
9 8
3 2
1 6
5 1 6
7 5 3 6 2
6 3 4
7 9
3 6 1
2 4 8
Expert #3
1 4 6 7
5 9 7 8 3
3 6 9
3 6
9
8 7 2
4 6 1
6 7 9
Expert #4
7
8 2 9
2 5
9 2 7
1 7 5 6
5 7 1
1 2
3
4 9 3 5 1
Expert #5
5 8 7
2 4
6 7
3 4 2
4 3 5
8
4 3 7
5 6 2
1 5 9
Expert #6
6
9 1 4 6 8
2
7 3 5
9 8 4 3
9 5 2
3 4 1
6 9 5
8 4
Expert #7
1 7 4 2
5 4
8 7 1
1 2
4 3
6 5 4 7
3 8
5
3 8 9 6
Expert #8
8 6 9
3 5 8
9 1 8 7
7 2 4
1 6
9 4 2 7 1 8
7 4 5
9 6
2 3

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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