Printable Expert Sudoku

Set 1nbf18a. 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
2 3 7
9 5
6 8 5
1 2 6
4 7
6 3 5
5 6 1 2
2 3 1 7
Expert #2
3 7 6 4
4 3
8
1 7 9
3 8 5 4
5 2 8
9 3
2 4 6 8
1 6
Expert #3
9
6 5
7 3 1 9 8
8 7 6
9 2 3
9 1 3
5 3 4 6
6
8 1 7
Expert #4
6 1
7 3 5 2
5 1 9 4
9 3
5 7 1 4 8
2
2 4 7
9 6 5
Expert #5
6 4
4 9 1 3
5 8
8 1 7
4 9 5
5 7 9 1
4 3
7 8 6 9
2
Expert #6
6 2 5 9
4 6 1
5 2 1 8
4
9 6 4 1
1 5 9 7
2 4 5
8 3
5 7
Expert #7
5 7 6
4 5 9
1 2 4
3 4 6 7
2
9 6
5 1 3
7 1
3 4 7
Expert #8
7 5 4
5 7 3
8 3 2
1 2
6 9
1 4 8
3
8 6 1 7
4 8 9 5

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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