Printable Expert Sudoku

Set ww9sif. 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
9 2 4
9 1
6 8 5 1 9
1 2 8
1 9 5
7
4 8 3
9 2
4 5
Expert #2
4 8 1 9
1 7 9 4 6
7
8 5 6 9 4
9
3 8
6 8
4 5
1 3
Expert #3
5 2
4 1 5
8 3 4
8 9 2 3
2 3 6
7 5
9 6 7
2 8
7 4 2 1
Expert #4
2 9 1
3 6 7 2
5 7 6
1 2 3 7
7 5 9 1
6
4 1 9
5 6 8 2
Expert #5
5 1 9 7
8 7 6
7 1
5 1 4
1 3 5
6 3
5 6 2
2 3 9
3 7
Expert #6
4 6
1 9 6
5 8
5 8 7 4 1
7 9 8
4
2 3 9
2 8 7
7 9 8 5
Expert #7
8 7 2
1 2
5 6 9
3 6 1
8 9 7
4 5
9 8 4 1
6 1 5
3
Expert #8
3
9 3 2 7 4
6 1
1 2 9
8 2
4 7
7 1
1 9 7 5 6
5 3 9

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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