Printable Expert Sudoku

Set 1k5lblr. 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 2
6 7 1
8
8 7 9
7 5
3 1 4 8
3 1 6
2 3 4
8 6
Expert #2
5 4 1
9 2 5 3 4
8
7 3
3 4 9
7 2
3 1 7 4
2 5
9 1 8
Expert #3
7 9 2
6
5 3 7
2 6 4
7 8 5
9 2 5 3
3 2 8
4
5 6 9
Expert #4
5
5 7 2
1 8 4
4 1 3 5
7 4 3 9
3 7
3 6 4 9
8 1
9 5
Expert #5
9
1 8 4
4 5
1 3 8
5 7 4 6
2 6 8 4
4 6 7 3
6
2 1
Expert #6
2 7 9 8
5
4 3 5
2 9 8
4 1 8
7 6
2
1 7 5 9
3 6 4
Expert #7
2 7 4
3
8 5 4 9
6 3
8 2
3 1 4
5 9 2 8
2 9 1 4
1 2
Expert #8
2
9 7 8
1 3 6
6 5 1 4
8 4 7
9 6
7 3 8 6
2 4
4 6 2

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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