Printable Expert Sudoku

Set 1nko1b3. 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
9 3
2
1 9 8 2
5
7 6 8
4 2 7 6
9 6 8
3 2 7
7 3 2
Expert #2
2 6 5
9 1 8
3
4 7
8 3 9 4 6
7 2 8
6
7 4
1 6
Expert #3
3 1
8 1
5 4 2
7 3
6 2 5
7 9 4
1 8 5
4 8 7 5
2 6 7
Expert #4
2 9
1 3 7 2
4 7 2 6
5 1
4 9 1
4 2 7
9 4
7 6 2 8
6 3
Expert #5
6 8
9 4 8 7
1 9 6
1 3
2 7 5
4 7 6
3 9 5
7 3
1 2 8
Expert #6
4 2
8 6
9 7 5 4 2
2 3
8 1
9 7
8 7
1 6 4
7 5
Expert #7
8 5 4
4
1 2 6 7 9 8
9 7 2
6 3
2 5 6
4 1
3 7
6 1
Expert #8
5 4 9
9 8 5 1 2
8 3
6 1 3
7
5 3 2 4
6 9
6 7 4
8 5

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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