Printable Expert Sudoku

Set hf119m. 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
2
7 6
5 8 3 7 9
3 4
4 9 1
7 8 6
8 3
9 7 6
2
Expert #2
3 5 1 4
2 7
4 5 3
5
2 1 9
6 3
8 4 9
2
6 5 8 7
Expert #3
5 6 2
4 3
3 1 9
7 6 1
1 4
3 7 2
4 8 2
7 6
5 9
Expert #4
4 2 3
6 5 8 9
1 4 5
4
5 3 6
7 9 5 4
1 9 6
3
1 8
Expert #5
3 8
4 7
5 7 9
5 7 9
8 9 4 2
7 6 8
1 3 6 7 2
3 1
Expert #6
1 4 7 3
6 9 4 3
2 5 6
4
9 5 2
7
8 2 1 4
7 1 9
Expert #7
7
2 9 6 5
1 8 7
4 6
3 6 4
3 2 9
4 5 8
3 9
9 1 5
Expert #8
7 1 8
6 7 9 8
7 4 5
8 1 6
3 7
5 3 2
3 2 4
6 5 4

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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