Printable Expert Sudoku

Set 1a6i9x1. 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
5 9
3 9 6 2
8 5 7 1
9 1 3 7
9 8
2
3 7 8
1 4
8 5 4
Expert #2
4 7
2 6 4
1 8 7 5
1 5 2 3
8 5 9
7 1 4
6 1
3 9 8
Expert #3
7 8
1 5 8
9 2
3 9 6
1 3 2 6 4
1
5 4 9 7
8 4 5 1
Expert #4
6 9 4 2
4 3 7 6
5 6 4
1 2
4 6 8 1
8 5 9
2 1 8
9 4 7
Expert #5
2 7 3
1
9 7 2 1
6 9 5 3
4 9 2 8
6 4
2 6 5
5 8
7 4 2
Expert #6
2 8 1 3
4 6
3 5
5 2 1
5
1 8 9
9 5 4
2 7 6
6 7 1
Expert #7
9
6 5 1
8 6 5
5 7
4 8 2
2 6 9 7 3
8 6 3
9 7 2
4
Expert #8
5 2
9 1 4 3
6 8 9
6
3 7 4
4 1 7
9
8 3 9
2 8 3

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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