Printable Expert Sudoku

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

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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