Printable Expert Sudoku

Set 1ucr4a4. 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 9
2 6 7
7 8 5 9 3
9 8 6
5 4
6 7 8 5
2 4 7 9
6 3
1
Expert #2
9
8 2 7
6 5 7
4 8
8
3 2 6 5
9 7 1 3 5
2
6 9
Expert #3
3 9 4
1 7 4 5
1 5
4 2 7
9 3
5 8
9
5 8 7 2
4 3
Expert #4
9 3 6 2
4 9 3
1
6 8 7 2
4 2 8
5 1
7 5
4 8
3 9
Expert #5
5 6 7
3 7 8 2
8 4 6
3 7 9
4 7
8 2 9
4 6 3
1
5 9 4
Expert #6
8
4 3
5 3 9 7
7 4
1 6 4 8
3 5
1 5 2 4
2 7 1
8
Expert #7
6 9
7 8 9
4 3 2
6 1 7
2 4 9
5 8 3
9 4
6 8
5 7 8
Expert #8
6 9
9 4 1 6
1
2 6 3 5
7 5
4 8 7 1
6 9
5 2 4
1 4

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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