Printable Expert Sudoku

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

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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