Printable Expert Sudoku

Set 9def2o. 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 4
6 9 3 1
1 2
5 9
1 2 4
8 1 4 3
8 3 6
5 8
2
Expert #2
6 5 3 2 7
7 3 1
2 7
2 8
7 9 5 4
5 6 2 9
5 3 9 1
3 9
8
Expert #3
6 5 9 7
8 2 4 5 9
6
9 1 2
3 9
1 2 5 3
2
5 8 4
1 6 8
Expert #4
9 8
7 5
7 2 9
1 7 3
3 2 4
4 7 5 1 6
1 2 3
1
6 8
Expert #5
6 8 3
1 2
3 9
2 3 1 6
6 9
7 9 8
7 5
5 2 8 4
4 6
Expert #6
6 7 9 2
2 8 5
1 5 8
4 3 9
2 6 7
6 2 1 8
5 3 9
8 6
Expert #7
5
8 7 9 3 2 1
1 9 3
6 5
1 9
3 5 6 2
9 7
6 8
7 2 5
Expert #8
6 3 5
4 1
9 5 3 6
2
6 1 5
9 8
8 1 7 6
3 8 2 5
5 4

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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