Printable Expert Sudoku

Set y668e4. 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 3 4 1 8
5 6
2
2 4 9 7
6 8 9
3
9 6 7
6 3
2 5
Expert #2
4 9 2
1 4 6
8 6 5
2 4 9 8
5 3 2
8 5
2 1 8 3
3 5
Expert #3
6 1 7
4 7
3 9 6 4
7
8 2 3 5
1 8
3 4 6
9 1 2
4
Expert #4
6 5 8 4
9 5 8
8 3 1
9 7 1
8 7 6
1
7 4 2
4 2 1 3 5
Expert #5
6 3 5
3 2
8 5 1
4
7 6 1
1 8 2 5
4 7 9
4 5 3 1 2 6
9
Expert #6
6 1
4 5 7
6 2 7
9 8
8
4 3 1
8 3
3 1 9
7 2 5
Expert #7
9 5 8 1
8 2 9
2 7 8
4 1 3
2 4 6
8 3 1
3 4 6
5
3 9
Expert #8
1 2 5
3 6 4
6 1 7 2
2 9 6 3
4 2
8 2
8 5
6 7
4 1 7

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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