Printable Expert Sudoku

Set 1iep5i1. 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
7 8 4 6
5 1 7 9
6 3 1 5
2 4 1
3
2
8 7 1
7 4 9
Expert #2
2 5 6 9 7
8 4 5 2
2 5 6 8
6 7 3 9
9 1
6 7 4
1
1 6 2 8
Expert #3
5 1 9
5 7
7 1 6
8 4 9
4 3 2
5 3 9
3 1 6
3 1 7 4
Expert #4
5
8 3 9 4
6
4 7 2 8
6 9 2
8 1 4 5
3 4 6 5 8
6 8
7 1
Expert #5
4 3 2 6
2
1
2 5 7
5 1 6 4
8 9
6 7 2
9 4 3
8 5
Expert #6
2 3 1
8 4
5 3
5 7 1
4 1 7 2 3
3 9
2 8 1 6
3 2
5 8
Expert #7
6 3 5
8
2 3 5 7 6
7 4
1 8
3 4 5
7 9
3 2 9
6 4 1
Expert #8
7 8
5 1 2 9
6 5
2 7
5 2
1 6 7
4 7 6
7 4 3
3 1 2

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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