Printable Expert Sudoku

Set 17xef4c. 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 3 2
1 9 3 5
7 3 2 4 1
1 9 8
7 2 4 3 9
4 2 8
5
Expert #2
1 3 7
7 9
9 8 1
6
8 7 4
7 8 6 3
2 3
5 6 3 9 1
4 2
Expert #3
6 1 2 7
7 8
8 1
9 7 1
5 2 3
2 1 4
4 9 7 5 3 1
6 9
Expert #4
7 2 1
3
6 9 1 7
3 4 8 9
2 1
6 4 5
2 3
5 9 1
1 8 9
Expert #5
4 8 5
6 1 7 9
8
9 4 6 7
3 7 4 1 5
3 9 7
1 7 9
6 4
Expert #6
4
7 1 2
8 6 2 5
5 9 4
4 3 7 9
7 4 3 5
1 6
7
2 3 9
Expert #7
8 4 1
9 4
6 2 7 9
6 5 8 7
7 6 4
2
9 7 8
6
4 9 3 7
Expert #8
2
1 5 6 4
4 3
6 2 7 1 5
3
9
8 6
5 6 1 9 7
1 4 2

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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