Printable Expert Sudoku

Set 4798mn. 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 8
8 2 5 1
9
1 3 5 2
9 7 1 6
5 6 8 4 2
4 3
5 7
Expert #2
6 4
1 8 3
4 3 9 2 6
9 3 7
8 4 9
8 5
3
8 2 7 5
2
Expert #3
8
3 4 9
6 4 7
4 1 3
5 8 2 4 6
7 4
7
2 3 5
6 5 1 2
Expert #4
7
3 6 4
8 6 2
5 1 4 8
4 9 3
5 3
3 5 7 6
2
2 5 1
Expert #5
5 1 2
6 1 7
8
6 1 3 9
1 8 6
4 2
7 3 2 4
3 4 7
8 5
Expert #6
6 8
1 5 7 2
8 3 7
5 6 1
1
6 3 4
8 9 5
3 6 1
4 5 2
Expert #7
1 2 3
9 7 8 1 2
3 5 9 7
2 3 6
1 7 6 9
7 2
9 1 5 2 7
6
Expert #8
9 5 1 2
2 3
3 4 6
4 8 5
6
5 7 2 9
8 1
3 6 8
2 5

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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