Printable Expert Sudoku

Set 1ae9iu3. 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
3
8 3 7
1 5 6 4
4 6 3
6 8 2
1 3 2
5 9
3 9 2
4 7 3
Expert #2
3 7 5 8
8 6 2 9
3 1
3
5 9 1 2
6 7
2 4
2 4
5 7
Expert #3
4 3 9 1
1 5 8
3
5 4 8
7 3 5 1
5 8 7
2 5 3 4 7
9
8 3 2
Expert #4
7 5 8
1 2
3 6 5
8 6
1
4 2 8 6
6 9 1 8
5 2
9 5 3
Expert #5
9 3 8
6 2
2 1
3 6 8
5 4 1
2 7 5
8 7 6
9
1 8 5
Expert #6
3 2 9
9 6
8 7 5
9 2 4 6
4 1 7 3
1
9 3 8
5 2 4
Expert #7
9 2 3
5
7 4
1 2 3
6 8 9 5
8 4
1 5 9 6 4
5 8
8 7 6
Expert #8
5 6 8
4 1 6
6 9
9 1
7 9 3
5 1 4
5 3 4 6
2 1 7
7 5

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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