Printable Expert Sudoku

Set 1n2oy6q. 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 4 8
3 7
1 8
4 7 3 9 6
4
7 8 2
1 2
9 3
8 6 7 1
Expert #2
1 7 5
2
6 7 3
5 9 8
7 3 4
6 9 2
9 4 7
1 4
1 5 6
Expert #3
9 6 8
5 2
1 4 3
9 6 7
2 1
1 8
4 2 3
8 7 6 2
3 5 1 4
Expert #4
3 4 7
1 3 5
2 1 6
6
7 2
4 1 5 3
6 8 9
9 2 5
3 6 7
Expert #5
1
9 3
6 9 5
9 4 1 5 2
2 7 3
4 2 9
4 7 2 1
6 5
8 6
Expert #6
8 2
7 5 6
2 6 9 1
4 9
2 4 9 8 7
7 6
5
4 3
8 3
Expert #7
3 8 6 4 5 9
7
4
9 5 6 7 3
5 8 6 7
3 4
3 8
4 6 2 5 1
Expert #8
8
1 7 9 2
9 2 8 6
5 9 8
4 3
3 9
7 6 5 4
1 2 7
6 7 2

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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