Printable Expert Sudoku

Set 1llkfs3. 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
2 9 4 3
6 5
4 5 2
3 1 7
1 7 4
9 8
6 5 3
2
8 7 5
Expert #2
9 1
3 1 7
8 9 2
3
8 7 3 9
8 1 4
4 6
6 7 3 2
2 4 7 3
Expert #3
7
7 6 3
9 8 1
6 1
8 9 4 2 1
6 3 9 7
2
7 4 1 5
8 2
Expert #4
3 2
1 9 2 5
2
4 8
4 6 8 9 1
9 5 7
3
7 4
5 8 7 1
Expert #5
6 5 9
2 7
7 3
3 8 5 9
9 6 5
3 1
8 5 2 6
9 8 7 6
Expert #6
7 2 1 8
9 4 6
1 8 5
6 5
3 4 1
8 9
1 9
9 6
5 7 4 6
Expert #7
9 3 5
4 3
8 4 2
8 1
5 8
1 6 2
2 5
1 6 7
3 8 9
Expert #8
9 8 6 5
4 3 5 9
8 4 2
3 1 2
7
4 8
6 9 4 7
7 3 6

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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