Printable Expert Sudoku

Set szcjb4. 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 4 6
2 3 6 5
8 7
5 7
3 4
4 7 9
5 9 1
9 6
8 1
Expert #2
7 3 8 2
8 4
5 3 1
9 5 4 7
8
5 6 9 1
4 9
9 5 2 8
4 7
Expert #3
7 4
5 9 8 2
6 2 3
5 7
8 2 4 5
9
8 2 1
6
7 6 8
Expert #4
7 2 8
3
4 1
8 3 5 7
6
7 4 2 1
2 8
8 5 6
3 7 6
Expert #5
1 3 5 6
8
9 2 1
2 6
5 9 6
7 4 3
4
3 7 9
6 5 3
Expert #6
8 3 5 1
2
2 6 4 3
7 1 4
9
5 3
2
7 2 6 3 9
1 7 6 5
Expert #7
3
8 5 1 2
5 6 4
9 2 4
3 9 6
2 1
6 1 5
9 4 2 7
7
Expert #8
2 4 7 3
3 6 2 1
4 9 8 7
1 9
1 3 8
5 7 4
3 2 5 6
6

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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