Printable Expert Sudoku

Set 1unfh2c. 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
3
3 8 7 6
4 8 2
7 4
7 8 2 9
9 5 2
9 4
6 5
8 5 3 7
Expert #2
7
3 8
4 3 1 9
9 3
6 2 1 3 8
6 2
4 1
8 2 5 9
4
Expert #3
2 3
9 1 2
5 7
8 7
7 3 9 4
4 8
3 2 7 9
2 1 3
9 1
Expert #4
5 2 4
6 7 9 3
5 8
5 9 6
9 6
1 4 7
4 2
4 8 3
9 7
Expert #5
7
3 8 5 2 6
5 1 2 3
6 9
3 5
7 9
6 1 4
8 7
1 5 3 8
Expert #6
3 5 1
5 4 3 8
8 1 6 2
2 8 6
1 7
4 7 5 6
5 3 7
8
Expert #7
4 5 9
2
5 8 2
9 8 1
5 3 8
3 7 4 6
1 6 3 2
9 8 7 5
1
Expert #8
5 4 9
8 5 4 3
4 1 6
7 6
4 9 2
8 5
1 7
9 8
2 6 3

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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