Printable Expert Sudoku

Set og1nqc. 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 5 6 2
2 3 8
5 2 7
4 7 6
3
9 7
7 8 5 4
3
9 1 5
Expert #2
3 4
1 6 2
8 7 1
3 8
5 6
9 3 5
1 2
4
4 8 9 2
Expert #3
9 3 1
6 3
5 8
9 4
6 1 8 7
7 3 2 5
7 6 2
2 4 8
4 6 1
Expert #4
5 9 3
1 5 4 8
6
1 8 9 6
4
3 2
3 7 9 4
1 2
7 6
Expert #5
7 3 2
8 9 5 7
3 9 4
3 1
4 6
6 7 8
8 2 9
6
5 2
Expert #6
7 9 1
9 6 7
8 1 3 9
1 4 7
5 6
3 7 8
4 9
2
3 2 5
Expert #7
3 2 5
4 9
9 4 3
3 8 2
8 4 6
7 4 1 9
8 2
5 1
2 7
Expert #8
6 2 8 5
1 6
3 5 8
5 8 7 4
7 9 3 2
9 5
8 3 2
4 3
7 2

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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