Printable Expert Sudoku

Set 1663qq8. 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 5 8 2
2 1
3 2
8 6 9 1
4 6 5
9
3 8 2
7 1 3
9 6
Expert #2
5 1 8
2 3 6
5
9 7
6 2 7
7 1 3
3 1 4 6
4 7
8 9 1
Expert #3
8 7
2 9 4
7 6 1
3 9 2
4 8 9
7 3
1 6 8
3 5
4 2
Expert #4
4
3 5 1 2
2 4 5 9
8 6 3
6 5 9 1
8
9 8 2 7
1 4 7
2 1
Expert #5
1 8 2
7 3 1
8 4
8 6 9 7
6
7 2 3
5 3
5 9 8
1 7 9 5
Expert #6
6 1 4
5 9 7
8 7
8 5 3
4 2 9 1 5
7
7 8 2
1 9 3
4 1
Expert #7
7 1
9 2 8
3 5
2 6 7
5 9 4
9
3 5 6 2
9 8 4
8 1 3
Expert #8
9
4 3 8 6
7 5 4
8 4 3
6 2 5
7 2
9 4 5
2 5 1
6

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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