Printable Expert Sudoku

Set 5779d4. 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
1 5
3 4
8 9 2
7 9 2
8
3 4 6 2
2 3 5 6
8 9
5 7 3
Expert #2
7 8 2
9
1 3 5
5 4 6
5 7 8
2 8 1
6 8
1 7 9
8 1
Expert #3
8
2 6 3 4 5
5 1 2
2 8 9
6 3 4
4 8 7
4 5
1 6 2 7
5 7 6
Expert #4
4 9 6
9 5 2 8 1
6 5 2
1 4
1 3
5 9
3 1
7
2 4 3 1 8
Expert #5
8
7 6 9 3
6 7 3 4 2 1
1 2 5
8 6 9
7
7 4 3
9 4 1
6 8
Expert #6
9 8 7
1 7 3
5 6 3
2 6
9 4
4 1 5 8
9
6 2 4
3 8 6
Expert #7
4 1
8 7 2 3 4
2 3
8 9
1 7
1 2 5
3 5
5 7 9
6 9 7
Expert #8
2 4 3
7 9
6 8
4 9 7 2
1 3 4
1
6
8 1
6 3 4 5

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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