Printable Expert Sudoku

Set 1mf123f. 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 7
2 1 9 8 5
3
4 2 6
6 9 3 8
7 5
1 3
4 9
4 9 8
Expert #2
2
6 2 8
7 9 1 5
8 7
2 9 8 4
4 1
9 3
3 5 4
7 1 6
Expert #3
8 1 5 7
5 8 1
9 6
6 5 8
2 7 6
8 9 7
4 3 1
3 6
9
Expert #4
6 2 4
9 3 4 1
1 4 8 5
8
4 2 9
6 7 8
8 4 7
5 7 2 3
Expert #5
5 6 7 4 1
4 5 9
6
3 2 8
5 2
2 8 4 6
4 3 2 7
7 6
3 2 7
Expert #6
6
1 7 8 6 2
8 4 1
6 8 3 1
7
3 7 2 6
9 8 6 5 7
5 8 6
Expert #7
6 3 5
9 8 1 7
2 9
6 2 1 4 5
5 9
7
2 8
6 1
4 3
Expert #8
1 3
4 5
6 5 2
8 7 4 2
9
5 1
9 8 6 3
2 9
4 8 1

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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