Printable Expert Sudoku

Set 18coy9h. 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
7 2 4
6 5 9 7
9 6
2 8 7
3 1
5 1 7 8
9
8 6 5 4
2 6
Expert #2
8 7 4
5
2 1 9
8 1
6 7 4 8
6
6 3 2
9
1 5 9 2 7
Expert #3
4 9 8 3 7
2 6
7 3 1
4 2 7 9 3
1
3 8
6 5
2 9 1
8
Expert #4
1 5
7 9
2 4 3 6
5 7
2 5 1 3
8 3 2
1 6 4
4 2 3 9
Expert #5
2 9 8
8 3 4
3 4 7
9
8 5
1 2 7 6
1 6 7
3
4 1
Expert #6
9 7 5
1 3
1 6
2
8 3 7
7 4 3 5
8 6 3 9
5 1 7
4
Expert #7
6 3 7
5 7 2
9 8 3
8 6
5
8 2 5 1
7 4 1 8
8 7
3 9
Expert #8
6 7 8 2
9 1 3
3 2 7
2 5 7 4
1 8
4 8 1
5 4 7
6 9

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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