Printable Expert Sudoku

Set s78p99. 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
5 9
7 9
2 4 7 1
6 3 1
2
7 2 3 8
1 3 9 6
8 9
4 7 8
Expert #2
9 8 6 5
1 6
8 5
1 8
9 7 1
5 7 2
9
7 9 3 2 8
5 9 4
Expert #3
1 5 3 7
9 7 6 1
8 5
9 2 3
7 5
5 7
1 6 2
1 2
6 8 1
Expert #4
4
8
7 5 9 4
4 9 3
8 2 5 4
1 7
2 6
6 9
3 6 2 5
Expert #5
2 7
8 7 5
5 4
5 1 3
1 4
9 4 6 3
9 8 6
2 9 7 1
7 4
Expert #6
6 1 8 3
9 7 4
3 2
4 8 9
8 5
2 4
3 8 2
3 1 4 7
9 5
Expert #7
3 5 4 9 1
5 8
7 6
1
3 8
8 5 2 7
9 3 5
6 8
8 5 1
Expert #8
8 1
3 6 4 1
4 9 6
3 5
2 3 1 4
7 9
7 9 6
5 4 8
6 2

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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