Printable Expert Sudoku

Set 1w66mux. 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
1 2 6
4 7
4 8 5
3
5 4 7
9 2 1 3 5
3 1
5 2
Expert #2
6 3
4
5 7 8 6 1
8 3 7
5 3 9 2 8
1 2
3
9 4 5
1 7 6
Expert #3
7 9 5 8
4 6 3 1
1 5 8
9
6 3 9 4
5 7
7 9 8
8 4 2 3
Expert #4
1 6 2 8 3
6 2 7
1 3
2 4
8
6 3 4 7
2 5 9 4
6
9
Expert #5
7 6
7 2 6 4
5 2 3
1 5 6
9 8 7 1
6 9
4 7 5
2 3
7 8
Expert #6
6 7 9
9 5 4
5 1
9 4 7 1 2
7 4 8 5
2
3
9 7 6
1 6 8
Expert #7
3 2
2 8 4
8 6
6 1 7
9 5 4
8 1
8 6 3
7 2 5
7 4
Expert #8
2 7
4 8 2 6
9 6 5
5 8 7 2
4 3
1 7
6 3
4 5
3 7

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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