Printable Expert Sudoku

Set 8y332o. 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
8
5 2 1
2 9 8 7
8 7 9 5
6
3 9 5
7 3 5
9 2 3
1 8
Expert #2
2 5 9
8 4 9 2
3 6
5 6 3 4
2
9 1 5
6 7
5 7 1 3
8 4
Expert #3
6 5 2 7
7 5 3
9
4 6
7 8 4
1 2
8 3 9
3 5
7 2 8 4
Expert #4
9 7 1
4 8 1 6
6 5
1 7 2 9 3 4
8 9 3
6
2
3
1 4 8
Expert #5
8 5
5 4 2
4 6 7
8 6 7
3 5 8
2 4 3
8 7 4 6
1 8
9 1
Expert #6
9 6
4 2 3
9 4 8 1
5 1 4
5
2 7 6 8
4 6
7 5
3 7 4
Expert #7
4
7 8 9 4
9 5 6 7
5 3 4 1
7 8
2 5
3 6
8
6 4 9 2
Expert #8
5 4
1 9
3 2 1
3 8 1 2
2 6 7
9 4
8 3 7
1 6 3
7 2

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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