Printable Expert Sudoku

Set o84inf. 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
4 8
7
9 1 3
1
2 3 4
3 9 7 6
5 3 8
8 9 1
3 4 9
Expert #2
1 5 4
6 4 7
3 2 7
9 8 3 7
7 4 3
1 9 2
2 9
4 7 2
6
Expert #3
3 4
1 6
2 7 9
3 6 1
2
4 1 9 5
1 3 4 9 7
6
5 7 3
Expert #4
4 1 3 7
8
5
9 2 3 1
6
6 4 3
7 1 9
8 2 1 5
4
Expert #5
6
7 6 3 1
9 1 3 4
4 8 5
5 3 2 4 7
7 5 8
5 6 9
2 1
Expert #6
1 2
8 3 5
8 1 9 6
6 7 1
5 2
9 6
7
4 5 1 9
3 8 6
Expert #7
8 1
7 4
8 2 3
6 9 3 1
9 5 7 4
7
4 9 5
9
8 4 1 2
Expert #8
2 1 6 3
9 7
3 2 4
5
6 9
9 3 1
8 2 1
3 8
2 7 8 4

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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