Printable Expert Sudoku

Set 1de3u8f. 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
1 7 2 6
6 5 1
4 3
2 5 1
5 6 4 8
6 8
1
7 2 3
9 4
Expert #2
4 5 6
6 8
8 2
7 8
5 6 1
3 7 4
6 5 2
7 8 3
5 9
Expert #3
4 7 1
6
9 5 4 7
8 1 5
9 2
9 6 8
2
5 3 6
3 4 8 9
Expert #4
9
9 4 7 3
2 4 6
8 2
6 8
1 4 5 9
3 2
8 6
1 5 2
Expert #5
4
5 3
8 2 3 7 1
9 5 1 2 6
4 3
1 9 2 5
3 4 9
4 8
Expert #6
7 2
8 9 1
9 3
4 3 6 9
4
2 3 7 1
9 5
6 1 3 4
9 7
Expert #7
7 3 4
8
5 1 7 6
2 5 4
7 1 8
6 3
7 2
9 2 5
1 7 3
Expert #8
9 4 2
8 6
2 9
3 4 2 6 8
8 5
1 9
1 6
6 9 2
4 3 5 6

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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