Printable Expert Sudoku

Set ulnbf2. 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
8 2 6 5
5 9 8
1 3 7
9 2 1
6
6 3 8 9
3 2
2 1 5
Expert #2
6
4 3 9 1
2 1 5 3
9 7
6 5 8
1 5 3 4
9
4 2 3
1 5
Expert #3
4 7 2 9
8 3 1
6 1
2 1 7
6 5
4
8 7 9
4 2
5 8 4
Expert #4
1 3
7 9
5 9 3 8 1
2 5
7 4 2 1
8 4 6 7
8 2
2 3
1 5
Expert #5
9 1 4
8 4 5 3 2
4 3 9
1 5 7
6
2 6 8
5 1
6
3 8 4 5
Expert #6
1 4
2 7 1 4
5 3
9 2 6 5
5 3 1
9
7 6 1 9
6 8
8 4 2
Expert #7
4 8 1
1 9 7 8 6
5 6
4 6 5 7
5 8 7 9
2
6
9 4 3
7 1
Expert #8
8
9 3
3 5 2 7 4
4 2
1 5 7 9
3
5 9 6
6 1 5
4 2

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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