Printable Expert Sudoku

Set lileh4. 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 2 3 8
5
3 7 9
6 9 4
8 5 6
3 6 1 2
6 7
1 8 7
9 2 4
Expert #2
2 4 9 6 1
9 1 5 2
7 4
3
7
5 6 1
8 5 7
2 5
6 9
Expert #3
7
5 1 9
9 2 8
8 4 9
7 1 5 6
3 6 2
7 1 6
8 2
4
Expert #4
9 2
4
6 8 3
1 6 8
7 8 5
4 7
1 6 7 5
2 4
2 3 1
Expert #5
8
2 4 7
7 5 9
5 9 3
3 4 9 6
7 1 5
1 6 4 3
8 2 5
6
Expert #6
8 2 3
3 1 9
6 5
8 1
6 7 2
2 9 3
8 1 6
5 2
6 1
Expert #7
2 4 8
6
6 2 5
7 1
9 7
1 5 8 3
8 9
7 1 3 5
9 1 3
Expert #8
4 9 3
5 8
7
3 6 5 8
7 2 5
6 9 8
9 1 4
2 9 8
5 1 6

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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