Printable Expert Sudoku

Set 176o4f2. 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 4 5
5 7
7 8
2 9 3
7 9 8 4
4 5
3 6 1
9 3 8
1 8
Expert #2
9 2 3 4
4 6
8
1 3 8
9 4 8
5 7
2 7 5
6 3
3 7 2 9
Expert #3
7 9 1
1 6 8
3
5 2 4
9 7 6
1 2 5 8
4 3 2
5 4 9
8
Expert #4
4 2
7 4 9 1
5
8
2 7 8
5 6 9 3
4 9
1 5 3
5 3 1 6
Expert #5
6 8
5 7 2
8 7 9 4
8 3 9
2 1 8 6
7 4
9 7
6 5
5 2
Expert #6
1
9 4
5 4 1 2
9 6 5 7
2 3
8 5 6
5 1 8
4 1 6 5 9
8
Expert #7
7 2 5 9 1
7 6
3 1
9 5 7 6
7 6 4
8 3
8
5 2 8
9 5
Expert #8
6 2 3 1
3 7 6 9
9 5 4
4 6 5 3
9 7 4 2
1
5 3 7
8

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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