Printable Expert Sudoku

Set 9bi90n. 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 2 7
7 1 5
8 4
8 3 1
9 6
7 6 8
7 5 2 6 8
2 9
1 3
Expert #2
8 4 3 5
2 5
3 1 2
5 9
2 1 7
8 1 3
3
4 9 8 7
7 8
Expert #3
9 5 6
7
2 5 1 9
3
7 4 1 5 8
5 2 7
7 8
9 6 2 4
3 7
Expert #4
6 9 7
3 7 6
8 3
3 7 1 6
4 1
2
2 7 6 3
8 2
5 9 4
Expert #5
3 5 7 8
7
5 6
2 4 1
3 1 6
6 9 4
3 4
7 2 1
8 9 2
Expert #6
8 6 2
7 2 1
1 7
3 6 4 9
4 8 5
9 1
7 3
4 5 2 1
Expert #7
6 4
5 8 3
2 5 4
8 4
6 2 7 1
9
3 1
8 2 9
7 9
Expert #8
4 9 5
9 8 4
5 3
2 6 4
8 6
7 2 1
3 2 8
8 6 9
7 3 4

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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