Printable Expert Sudoku

Set 15zc9hi. 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
6 4 1 7
6 8 3
4
4 7 2
3 2 1
7 3 9
1 2 3 5
8
5 7 9
Expert #2
5 1 8
6 1 2 5
4
9 4 2 7
6 3 1
4
4 2 7 6
7 5 9
8 9
Expert #3
9 2
6 9 3
1
6 5 3
4 8
8 1 5
9 7 1
4 1 3 6
7 8 5
Expert #4
3 1
2 5 7 6
5
3 1
9 2 4
4 9 3
7 6
3 8
2 4 9 7
Expert #5
6 5 9
7 9 6 1
8 3
9 4 8
3 2 1 5
4 7
5 6 9
3 7
2
Expert #6
3 2 7
9
1 2 4 3
6 8 1 9
9 3 5
1 7
5 3 2
7 2 4
6
Expert #7
2 4
6 4
9 2 7
3 7 8
6 5 4 1
4 2 5 6
5 6
2 8 7 3
Expert #8
4 7 5
9 6 8
2 7 9
5 4 1 7
5 1
2 9
4 3
9 6 1 2

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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