Printable Expert Sudoku

Set cvix2x. 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
9 1
7
6 5 4 3
3 4 2
8 2 7
3 5 1
5 4 6 7
3
9 5 6
Expert #2
1 6
4 1 9
5 7 2
9 5 8
7
8 5 9 3
9 6 7 2
1 6 3
3 7
Expert #3
5 3 8
1 9
3 4
1 2 7 6
7 6 3
4 8 7
9
6 8 2 5
5 7
Expert #4
1 4 2
7 4 9 6 1
8 2 7
4 1 9
5
2 7 8
5
6 8 9 4
3 6
Expert #5
6
8 7 9 1
7
2 5 4 9
4 6 1 2
8 6
2 9 4
6
7 5 1 8
Expert #6
5 3 4 7
8 7
1 9 3
7 8 4
3 1 5
4 2
6 4 9
2 9
5
Expert #7
4 1 9
3 7 5
9 5 2
6
2 8 7
9 3 5 2 4
1 6
4 6 3 9
8
Expert #8
2 6
8 5
9 4 3
8 4
5 7
6 1 3 7
4 3
6 2
2 1 5

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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