Printable Expert Sudoku

Set cuumm4. 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 2 9 3
6 5
3 5
6 4
1 2
2 5 4 1
9 7
4 8
3 8 1
Expert #2
2 4 7
4
9 8 3 1
6 4 2
8 5 7
4 6 1
5 9 8
3
9 2
Expert #3
4 1 8 7
4 7
2
1 6 2 7
8 2 3
9
3 8
5 3
4 1 9
Expert #4
6 4
1 5 4 3
3 7 8
3 1 4
8 6 5
2 3 9
5 3
7 2 4
9 7
Expert #5
3 4
8 2 6
1
1 5 4 8
9 4 6
3 9
2 7 4
8 6 4 2 3
9
Expert #6
7 8 2
9 5
8 1
9 8
7 3
8 9 4 7
1 5 7
4 2 1
6 8 2
Expert #7
9 1
2 7
5 6 7
4 3 8
6 1 5
3 2 9
5 6 9
9 3 2 8 6
Expert #8
1 3 2
9
6 5 8
3 7 8
5 6
4 1
9
4 7
3 7 5 9 4 1

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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