Printable Expert Sudoku

Set 1aiv5lu. 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
7 6 8
2 3 8 1
1 4 7
2 9
5 2 4
9 1 3
9 4
6 3 5
5 4
Expert #2
4 6 1
5 4
8 1 2
9
3
8 7 9 1 6
6
7 6 1 4
3 7 8 9
Expert #3
6 5 8
1 6
8 2 6 4 7
6 8 3 1
4
7 1
3 1 9
5 3 2
4 9
Expert #4
2
6 9
3 1 8 5
8 7 3
1 4
6 9 5 1
5 4
7 2 9
2 8
Expert #5
2 3
9 4 7 6
3 8
1 5
5 6
4 3 7
8 2 9
1 2
7 6
Expert #6
7 8 9 3
1 6 2
3 1 5 2 6
7
5 2 3
7 2 5
6 1 9
8 4
Expert #7
8 7 3 4 6
3 5 2 7
4 6 7 1
1 7
1 2
9 8 1
6 3
8 5 4 9
Expert #8
1 7 9
6 2 5 4
3 8
9 2 4 1
5 9
7 5 1 6
7 8
2 6 8 4
8

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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