Printable Expert Sudoku

Set cd9fnu. 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
3 1 8
2 3 5 9
5
1 2 6
4 5 9 2
9 6 7 1
6 8
9 1 4
4
Expert #2
3 7
2 9
6 1 8 3 2
8 3 9 4
3 4 7 2
2 9
4 8
6 1
6 4 3
Expert #3
8 2 4
6 1
7 6
3 4
2 6 7 3 8
8
8 9
4 6 2 9 5
5 7
Expert #4
8 7 2
5 8 9
3 1
1 3 5
6 7 9
9 7
6 1 5 4
9
8
Expert #5
9 5 1
1 4 9 8 6
5 2
8 3 4
8 4 7 5
7 3
7 2 6
2 6 4
Expert #6
5 7 6
5 2
7 2 8
1 4 5 2
6 1 7
3 9 8
7 1
8 1
4 3 8
Expert #7
8 5 3
1 4
3 6 5
5 8 2
9 3
2 7 9 1
2 4 6 9
4
2
Expert #8
1 4 7
2 9
9 5 3
8 3
4 9 7 8
3 4 1
1 7 2
6 8 7
8

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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