Printable Expert Sudoku

Set 18li28o. 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 6 1
3 4
6 4 9
2 3
4 2
5 8 4 6
7 9
8 3 9 7 4
7 8
Expert #2
9 6 2
2 1
3 7
7
7 4 9 3
4 8 5
4
3 6
9 8 2 3 1
Expert #3
1
4 6 3 1 7
7 4 2
6 8
5 1 3
3 7
5 9
8 1 2
7 4
Expert #4
2 5 9 7
7 3
9 4
7 6 8
1 2
3 9
6 2 7
4 7
8 4 1
Expert #5
5 8 6 3
1 7 9
9 5
1 7 2 5
4 1
6
3 9 4
7
7 6 4 5
Expert #6
4 8 2
6 7 5 8
9 8 3
1 6
1 7 8
9 7
4 1
3 2
9 2 3
Expert #7
4 5 8
8 3 1 2
9 7
8 9 3
2 7 5 8
1
3 9
6 2 1
1 3
Expert #8
3 2
6 8 3 9 4
1 5
7 1 6
9
6 3
9
7 3 5
5 4 8 7

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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