Printable Expert Sudoku

Set 1sx8icn. 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 1 2 5
9 3
9 6 1
5 3 7
7 3 8
9 2 5
4 1 6
2
3 1 4
Expert #2
6 7
8 5 7
4
5 4 8 3 1
7 9 8
1 4
8 1 9
4 9 8
2 3 6
Expert #3
4
8 6
5 4 3 8 7
5 2 3
3 2
3 1 8 4 9
1 6 5 8
8
3 7 6
Expert #4
2 3 4
4 3 1
6 9
9 8
1 2 7
6 1 5
8
6 9 2
5 4
Expert #5
8 1
2 9 8 4
1 6 2
9 7 2
7 5 3
8
5 6
1 3 8
4 2 7 9
Expert #6
8 4 7
3 6 9
2 4 5
8 4 6
5 9 6 8
2
1 6
4 3
6 8 5
Expert #7
2
8 5 1 9
6 7 2
2
3 1 8
4 8 5 3
3 1 4
1 7
5 9
Expert #8
9 6 5
5 9
3 8
7 3
7 4 8 1 5
1 6
8 3
9 2
3 1 6

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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