Printable Expert Sudoku

Set 1yyfiv1. 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
4 5 2
2 1 9
1 3
2 1
6 7 1
7 8 4
2 6 4
7 5
3 5 6 1 2
Expert #2
8
6 7 4
5 9 2 8 3
5 6
9 1 5 3
4 2
2 7 1 5 4
3
2 7
Expert #3
7 4 1
1 5
8 7 1
3 6
3 7 2 4
8 9
4 5 8
9 8 7
2
Expert #4
1
6 1 2
5
1 9 5
5 9 1 3 2
3 4
8 3
8 3 5 9 6
2 7
Expert #5
5 4 2
1 5
8 4 7 3
3 1 5
6 7 9
7 8 6 5
8
6 2 7
Expert #6
5 9
1 4 7
7 3 6
2 5 3
1 8
2
2 6
8 7 3 4
1 9 5
Expert #7
7 3 4
2 1
5 9
3 4
8 2
5 7 8
4 9 6
1 6 9
9 3 7 4
Expert #8
2
5 6 8
4 9 2 7
3 4
3 6
9 6 1
7 5
8 2
9 5 1 6 8

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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