Printable Expert Sudoku

Set 12d1175. 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
7 9 1
6 4
4 1 3 7
1 8 9
9 6 2 4
6 9
8 4 6
1 7 2
8 7
Expert #2
6 8
9 4
7 2 3
8 1 5
6 5 4 9
7 1 6
4 3 9 8
4 2
Expert #3
4
2 5
9 5 8 6
4 2 1
3 4
9 6 4 2
5 9 1
3 4 9
6 7
Expert #4
4 6 5 8
8 3 2 5
9 8 1
4 5 1
9 7 5
6 4
3 7
5 7 3
2
Expert #5
7 4
8 2 9
5 9 8 3
3 4 8
6 3
2 4
7 4 5
1 8 5 4
6 9
Expert #6
5 4 6
3 4 8
2 5 9
9 8 3
3 5
6 9 4
1
6 9 1 7
8
Expert #7
4 8 9
2
5 4 3 7
9 8 5
4 5 2 7
1 9 4 3
4 1 3 7
3 8 9
Expert #8
4 6
8 3 2
1 5 4 2
1
6 7 1
5 6 3 9
6 7 5 8
9 2 3

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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