Printable Expert Sudoku

Set 17s6d1c. 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
8 1
2 7 8
1 6 3 5
7 2 5 9
1 2 4
4 9
4 6 3
3 9 5
5 4 1
Expert #2
5 2 8
3 9 2
4 5 7
7 4 1 3
6
8 7 4
2 3 7
3 5 4 2
9
Expert #3
3 2
6 7 3
4 6
9 4 5 8
1
2 7 8
4 1
8 9
5 8 2 6 4
Expert #4
9 1 2
2 3 5
5 6
6 7 8
3 2 1
7
4 2
3 4 6
2 9 1 8 4
Expert #5
1 7 5 4
2 9 5 8
9 2 7
1
6 8 3
4 6
2 7 6
5
6 1 2 7
Expert #6
1 2 4 8 9
7 2 8
1 4
4 3 6 2
8 6
1 3
8 3
7
2 5 8 1
Expert #7
4 2 5
1 5 7 3
2 6
9 8
7
1 9 2
7 8 3 9
1 5
9
Expert #8
4 1 5 7
3 6 4 8
4 2 9
4
7 4 6 3
1 5 3
2 9 8
9 6 7
7 9

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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