Printable Expert Sudoku

Set 16a644. 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
6
9 1 8 7
2 4 6 5 8
5
4
4 3 2 6
6 2 9
7
1 7 4
Expert #2
8
9 8 5 2 3
6 1 7
4 3
7 1 6 8
3 2 7
3 9 6
1 8 2
7
Expert #3
8 7 1 2
2 3 7
8 3
4
3 9 1 8
6 8 1 4 3
8
9 6 5 4
4 9 5
Expert #4
9 1 4
4 2
3 2 9 6
2 7 5
4 5
5 8 9
5 3 6
8 7
1 6 2 5
Expert #5
7 9 3
2 4 5
2 3 8
3 6 1 5
5 6
2
5 2
1 8
8 1 6 4
Expert #6
2 6 8 3
3
7 2 4 9
4 3 7 9
5 4 2
3 8 4
1 9 5
8 1
5 8
Expert #7
6 5 4
2 4
6 8
1 7
4 3 8
6 7 1
3 5 4 7
5 6
9
Expert #8
9 2 7 6 1
8 9 5
4
1 3
1 5 7
3 6 1
1 8 9
9 2 6
2 9 5 8

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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