Printable Expert Sudoku

Set 17h30fu. 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
2
6 7 1
8 9 4
6 7 4
9 5
2 8 7
4 3 1
9 2 1 5
3
Expert #2
5 2 1
8 3
1 9 7 5
3 4 8
7 8 9 2
1 5
2
5 8 7 3
9 6 3
Expert #3
3
2 5 6 7 1
4 3 9
1 3 5 2
7 4
9 7 6
3 5 1
8 3 6
6 4
Expert #4
5 7 3
7 3 8 2 6
2
5 9 7 8
5 9
8 2 1
9 8 1
3 6
4 2 9
Expert #5
6 3 7 1 4
2 6
5
6 5 7
8 2
2 4 1
5 9 3
7 6
4 8
Expert #6
9 8 4
6 8 2 1
1 4
8 4 2 5
6 4 7
1 3
5 6 2
2 5 7
3 7 4
Expert #7
1 9
4 5
2
8 1 3 9
6 3 7 8
2 1 3
4 3 5
4 8
6 7 9
Expert #8
4 3
2 8
1 6 9
5 2
3 8 7 2 5
9 6 3
1 3
8
2 6 4

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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