Printable Expert Sudoku

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

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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