Printable Expert Sudoku

Set 27h20i. 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
5 4 6
2 9 5
3
5 9 3 1
5 1 9
2 8
3 2 4
6 7
9 7
Expert #2
1 3 9
6 1
4 2
8 9 5 6
5 3 7
8
9 8 5 7 4
4
3 5 1
Expert #3
6 1
4 5 8
8 3 4
3 6
9 2 4
4 1 5
1 2 9
5 7
6 3
Expert #4
3 8 9
1 3 7
8 9 4 6 1
5 4 1
6 1 5
5 8
4
1 6 8 9
9
Expert #5
7 4 2
5 8 7
5 6 1
1 9 2 6 4
4 1 8
8 9 6
2 5 9 7
Expert #6
8 9 4 7
3 7 1 8
6
4 3
3 7 9
1 9
3 7 6
7 1
2 6 9 8
Expert #7
6 3 2
3 7 1 6
3 9
2 7 8 1
9 2 7
9 5
6 5 4 2
8 7
Expert #8
3 7 9
2 1
2 6 7 8
5 2 1 6
4 1
7
8 9 3 2
5 9 4
7 6

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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