Printable Expert Sudoku

Set 1fam9a1. 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
4 2 9 1
8
2 4 6
4 7
5 1 8 4 9
6 3
9 2 6
5 2
8 7
Expert #2
7 1 3 6
2 4 7
3 6
5 6 9 7
7 4 1
4
9 2 1
8 3
5 6
Expert #3
1 5 4
9 2 1
2 8 1
5 8 6 1
6 7 9
4 5
4 3 7
3 4 2
6 9
Expert #4
1 8 3
6
6 3 8 5
9 5
2 8 4 1
1 2 6
7 9 8
4
2 3 1 6
Expert #5
5 4
7 4
4 9 1 5
1 6 9
2 4 3 8
9 2 7
5 2
6 7
1 6
Expert #6
8 9 6
6 1 5
5 2 3
2 1 8
9
3 8 4 2
7 3 9
9 3
7 2
Expert #7
2 1
7 9 6
3
7 9 1 8 2
5 6 2
5
9 8
3 1
8 7 2 3 9
Expert #8
5
2 8 5
6 7
8 9
1 6 7 5 2
1 9
9 3 5
5 6 7 3 2
2 7 3

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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