Printable Expert Sudoku

Set 18ix7nu. 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
3 6 9
9 4 7 3
2 7 9 8
3 5
1 6 7
8 7 2 4
8 6
1 7
Expert #2
3 4 8
7 6 1 8
4 5
8 9
4 2
1 8
3 1 2 9
3 6
2 7
Expert #3
5 3 4
2 5 9
1 2
9 3 2
1 4 3
7 5
8 1 5 6
4
8 6 2
Expert #4
8 6 2
7
2 4 8 3
7 5
4 9 5
6 3 7
9 8
7 4 2
6 4 3
Expert #5
6 5 2
7 2 4
3 6
4
8 1 4
7 6 8
3 8
9 4 6 3 8
7 9 5
Expert #6
5 9 6
1 9 5
4 3 1
9 3
7 2
4 8 1
5 1 2
8 5
3 9 2
Expert #7
1
9 7 3
6 4 2 7
3 6 4
4 7 8
5
5 8 9 7 2
9 8
6 1 3
Expert #8
5 7 2
4 3 2 9
1 7 6
4 8 1
2 8
5
2 5 7
1
9 7 3

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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