Printable Expert Sudoku

Set w29oxl. 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
3 6
7 2
2 9 4
7 3 9
8 4 5 3
1
9 7 8 6
5 6 3
4 6 5 8
Expert #2
6 4
4 9 7 1
9 7 2
2
1 7 9 3
7
8 5 2
5 1 3 6 9
7 5
Expert #3
1 9 4 7
6 1 3
6 4
8
8 3 9
4 9 6
9 5
1 9 3 2
6 3 2
Expert #4
7 9 8
3 7
6 1 4
3 2 4
1 9
6 2 5
9 8 7
1 2 5
7 4
Expert #5
8 6 5 7 9
7 1 2 4
5 6
1 8
9
6 7 4 2
3 9
5 2 6
7
Expert #6
7 8 6 1
4 7
2 9
1 3 4 6 5
5
2 8 3
1 2 9
9 6 3
7
Expert #7
9 3 2 1 8
2 5
6 4 8
1 3 4
2 9
7 5 6
7 3 8 6
9
7 3
Expert #8
2 1
1
8 4 9
4 3
7 6 8 2
9 8 6 7
1 2 6
7 4 9
3 5

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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