Printable Expert Sudoku

Set 1nv2e42. 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
2
3 5 8
7 9 5 6 2
5 3 8
2 5 6 1
6 8
1 2
8 7 9
4 5
Expert #2
9 6 8 2
6 2 1 8
4
5 8 3 4
3 7
2 9 5 8
7 6 2 4
4 2
5 6
Expert #3
5 9
8
5 1
4 8
2 1 4 6
7 1
8 3 4 2
7 9
6 7 8
Expert #4
9 4
4 2 7 3 5
1 8 4
9 4 6
5 9
1 6 3
8 3 2
2 6
6 5
Expert #5
8 9
5 4
7 2 6 3
1 2
4 5 6
3 9 1
7 1 4
2 5
1 7 2
Expert #6
7 1 2 4
2 4
3
2 7 9 1
5 3 9
9 3 6
3 8
1 4 2 9
1 7
Expert #7
4 8 5 3 2
3 5 7
7 9
5 1 6
3 8 7
6 2 3
1 6 5 2
2
4
Expert #8
2
6 7 3 8
7 5 4
3 8
8 4 9
9 4 7
1 9
6 5 7
6 2 5

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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