Printable Expert Sudoku

Set 10uds2a. 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 1 2
8 4 2 5
6 9
3 5 2
1 8 6 4
4
2 3 7
8 5 3
7
Expert #2
9 5 8
5 2 3
1 8 2
9
7 6
4 3 1
3
4 5 7 8
9 7 3 6 5
Expert #3
4 3 7 2
8 9 6
2 5
1 3
5 4 3
6 7
1 7 5 8 4
4
6 3
Expert #4
1 7
5 2 3 9 6
9 2 3
4 7
4 7 6
8 9
4 8 1 2
6 5 9
1
Expert #5
2 1 3
4 6 5 8
3 6
2 7
9
7 6 8 9
6 1 2 7 4
6
8 1 5
Expert #6
1 7 8
3 9
2 5 6
9 4
5 3 1
2
1 9 3 2
9 7 5
4
Expert #7
2 5 9
4 3 7 2
7 8
8
9 7 4 1 3
3 4 9
2 8 9 5
9 6
Expert #8
2 9 8
5 7
8 2 4 5
1 7 6
4
6 9 1
6 8 3
4 2
9 5 7

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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