Printable Expert Sudoku

Set q30zn. 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
1 2 5 9
5 8
4 6 1
7 6 4
9 7 5
2 8
2 3 6
3 8
8 9 1
Expert #2
8 7 4
1 8 6 5
3 4 8
4 1 8 6
6 3
8 2
7 1 9 2
7 6
1
Expert #3
2 1 3 8
9 7
7 4 5
8 1 9
9 3 7 4
6 7 9 8
5 2 1 7
Expert #4
1 4
3 9 8
2 4 3 1
6 8
7 9
7 5 3 4
8
6
1 4 5 7
Expert #5
8 2 5
7 6 1
4 2
2 8 9
4 9
8 3
2 1 5
1 3 7
9 6
Expert #6
1 6 4
9 8 3
7 2
8 2 9
5
6 2 3
2 8 7
5 1
7 8 4 3
Expert #7
8 2 4
4 3 8
3
7
9 3 5
5 1 7 4 9
5 1 8
1 8 4 6
6 9
Expert #8
6 8
4
1 5 2 4
8 9 3
9 6 5 4
5 3 1
8 2 3
7
3 9 7 5

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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