Printable Expert Sudoku

Set 51oxne. 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 6 3 8 4
8 2 6
5
1 4 6
1 5 9
6 7 8 2
1 3
3
2 7
Expert #2
1 6 7 8
5 9
6 1
4 2 9 7 1
6 4
7 5 8 9
8 1 2
7 4
Expert #3
6 7 9 5
4
5 3 4 8
3 7 4
4
3 2 8
8 2
7 1 6
6 8 7 5
Expert #4
6 8 9
9 7
4 5
2 4 7
5 3
4 6 8
8 5 1 9
2 8 3
9 2 4
Expert #5
1 9
9 8 1
6 5 4
2 3 5
1 3 7
7 9 2
2 7
5 9 1
8 3 9
Expert #6
7 5 2 8
8 4
4 7 8 3 9
5 1 9
4 3
7 9 6
1 8 5
9 1 8
4
Expert #7
3 5 9 8
8
6 1 4 3 5
1 6 2
7 3
5 2 1
8
7 4 9
5 6
Expert #8
1 5 7
6 7 8 1
4
4 1 3
5 3 9
7 8
5 9 2
2 9 8 4
6

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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