Printable Expert Sudoku

Set 1a28rxz. 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 4 2 5
2 8 5 9
5 1 6 3
5 9
7
2 9 5 3 8
1 8
3 4
5 8
Expert #2
6 1 2 3
5 2 8
3
8 9 1
9 4 6 2
6 9 8
4 8 9 3
1 7
Expert #3
4 5 8
3 5 2
3 2
4 2
8 1 4 5
9 2 6 1
6 7
2 1 9
7 9
Expert #4
1 5 8
2 7 5 3
6 3 9 1 4
7 4
8 1 6 7
4
1 9 8
Expert #5
8 9 3 1 7
7 1 3
8
5 6 1
7
4 3 6 2 8
1
2 5
9 4
Expert #6
5 8 9 3
4 9 7
1
2 6 5 4
9 3 7
2 9
5 9 1 6
9 5
8 4 3
Expert #7
7 5 6
1 4 8
7 3 2
6 9 2
5
3 9
2 1
7 3 4
9 1 8
Expert #8
8 3
9 6 8 4 5
5 8
5 6 1
1 9 2
3
2 7
4 1 6
2 4 3 5

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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