Printable Expert Sudoku

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

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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