Printable Expert Sudoku

Set a1yu98. 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
2 5
5 3 4
2 7
4 5 2 1 3
9 8
9 6 1 2
4 1
1 8 9
Expert #2
2 5 1
6 2 1 4 3
8 3
2 1 9 4
7 9
7 9 8
8 4 6
5 6
Expert #3
9 4
8 6
7 8 5
4
1 9 8
3 7 6 9
8 7
4 3 6
2 7 5
Expert #4
9 2 6
9 7
1 3 9
2 4 5 3
7 5
3 2 7
4 7 8 9
5 2 9
2
Expert #5
5 1
1 7 9 6
2 9
3 2 8 4
8 9
6 1
9 4 5
7 2
7 6 8
Expert #6
8 1
1 9 8 2
4 2 9
5 2 8 9
9 6 1
7 2 8
3 5 6
1 3
Expert #7
5 7 8
3 6 1 5
8 9 4
6
7 4 2
2 4
2 9
3 7
4 6 5 8
Expert #8
5 9 1 2 8
4 6
7 1 4
9 7
1 2 6 9
3
9 6 8
9 1 7
6

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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