Printable Expert Sudoku

Set 1njs4sw. 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 9
8 4 3
5 6 4 7
3 8 4 9
6 2
4 5
4 5 8 1
2 5
7 9
Expert #2
8 4 2 3
4 1 2
5
8
2 7 1 6 4
6 1
9 3 7
2 5
3 9
Expert #3
7 8 3 6
4 7
9 4
4 2 5
6 3 9
5 7
6 2
3 2 1 9
4 9 8
Expert #4
3 6
2 4 7
5
9 5 3
9 7 6 8
3 4 8
5 8 2
2
6 4
Expert #5
6 7 3
3 9
7 8 2
9 2
9 4
2 3 6 8
1 7 4 8
2 5
3 8 2
Expert #6
1 5
4 6 9
8 7
4
9 7 1
6 3 2 7 8
8 3 9 2
6 3 4
8
Expert #7
9 1 4 2
2 3
8 9 7
8
5 9
7 6 2
6 4 1 5
8 4 7 3
1 4
Expert #8
8 3
2 8 6 3
5 7
6 8 7
4 9 6
8 3 4
9 5
7 3 5 4
8 2

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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