Printable Expert Sudoku

Set 18aq8et. 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
7 5
9 7 4
4 1 8 6
2
6 4 1
3 1 6 2
2 9 5 3
6
1 3 7
Expert #2
6
3 9 1
5 8 1 6
8 4 3
5 4
4 2 9
7 3 5
4 1 6 7
7 8 6
Expert #3
4
7 6 2
9 8 5 1 6
6 2 3
4 5
9
3 1
7
8 7 6 1
Expert #4
3 4 1 7
8 6 2
4 9
7 6 9
4 3
5 1 7
1 3
2 3 5
6 4
Expert #5
8 4 5
6 2
1 7 9 8
5 7 2
8 9
6 8 3
4 8 2 7
1
7 6 1
Expert #6
7
5 6
2 3 4
1 8 7 9
4 6 3
7 3 8
5
8 4 3 5
1 9 8
Expert #7
6 2 8 9
3 1
2 4 8 1
5 7 3 6
4
3 2
8 4
4 9 1 8
5 3
Expert #8
3 1 4
6 3
2 5 9
8 2
9 3 8 1 2
7 8
5
7 8
1 6 2 3

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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