Printable Expert Sudoku

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

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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