Printable Expert Sudoku

Set 1i8uwwi. 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
3 5
2 3 1 6
6 8 2 9
5 1 9 3
7 6
2 1 5
8 2 4
1
6 8
Expert #2
6 1 2
5 7 6
9 1 5
9 8
3 9 6
1 4 3 7
5 4 7
4 1
2
Expert #3
9 8
4 3 9 2 1
2 6 3 5 9
3 4 9 7
9 1 8
8 7
5
6
2 1 8
Expert #4
1
8 2 1
6 4 8 1 7
4 8 2
9 5 6
3 2
9
7 8 5
1 4 3
Expert #5
7
5 9
4 6 2 5
9 2
5 3 4
1 9 7 6
4 1
3 9 6 5
5
Expert #6
3 4
6 5 8
4 9 7 2
4 9
4 7
1 5 9 8
6 9 7 5
1 5 2
Expert #7
2 9 7 1
3 7
1
9 1 4
2 4 5
2 8
3 7 1
5 9
8 4 2
Expert #8
2 8
7 8 1 6
6 3 1
2 4 1 6
9 7
4 5
3
3 6 2 7
4 1

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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