Printable Expert Sudoku

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

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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