Printable Expert Sudoku

Set 19o0m2y. 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
6 1 2
5
1 9 5
5 9 1 3 2
3 4
8 3
8 3 5 9 6
2 7
Expert #2
5 4 2
1 5
8 4 7 3
3 1 5
6 7 9
7 8 6 5
8
6 2 7
Expert #3
5 9
1 4 7
7 3 6
2 5 3
1 8
2
2 6
8 7 3 4
1 9 5
Expert #4
7 3 4
2 1
5 9
3 4
8 2
5 7 8
4 9 6
1 6 9
9 3 7 4
Expert #5
2
5 6 8
4 9 2 7
3 4
3 6
9 6 1
7 5
8 2
9 5 1 6 8
Expert #6
4 1 5 6 9
7 6 3 5
2
6 9 1
5 1 8
4 7 6
7 2 4 3
6 3
Expert #7
5 7 2
4 1
1 7 8 6 2
2 9
6 9 1 3 8
8 1 2 4 6
3
3 4
7 6
Expert #8
6
3 7
1 8
8 4
1 6
9 5 2
7 2 8 9
3
7 9 1 4

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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