Printable Expert Sudoku

Set k9dbug. 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 4 8
2 9 4
5 8 3 2
1 8 2
7 1 6
3
4 2 1
5 1 9
Expert #2
1 6
5 1 7 2
8 7
4 6 3 9
4
6 7
3 9 5 4
8 5 7
6
Expert #3
8 5 4 1
5 8
1
1
8 2
1 7 9 5 3 4
5 2 7 6
6 9
4 7 3 9
Expert #4
5 6 7
2 8 4
3 5
5 8
9 8 3
6 2 5
4 8
2 7 8 4 9
8 7 6
Expert #5
3 9 8
5 7
4 9 1
1 2
8 5 2 4
2 5 9 3
3
8 4 9 6
6 2 7
Expert #6
6 5 1 8 9
8 6
2 7
4 2 7 8
6 5 3
9
8 1 9 7
5
2 3
Expert #7
6 5 3
7 3 4
3 5
3 8 1 9
7 6 2
9 6 2
1 2 7 9
9 8
7 5
Expert #8
3
4 1 2
2 8 4 1 7
7 9 3
6
9 7 4
9 5
8
7 4 8 3 6

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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