Printable Expert Sudoku

Set i61i3e. 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
8 3
1 5 4
2 6 1
4 9
9 3 6
5 6
4
3 7 2
6 9 7 4
Expert #2
6 3
4 9 1
5 7
9 7 6 8 2
4 5 1 6
6 9 4
8 3 5
6 2 3
3 9
Expert #3
6
8 9 7
9 1
7 2
4 2 9
8 4
1 8
7 8 3 2 6
3 1 5 4
Expert #4
6 3 5 8
8 1 9
5 6 7
3 6 7
9 5
2 7
6 1 3
9 5 4 6
7
Expert #5
3 9 6 1
8 6 2
9
9 3
4 1 9 7 3
8 1
7 6 3
4 7
5 2
Expert #6
7 5 3 9 6
1 8 7 4
2 1
3
5 2
4 7
5 6
1 7 2
8 3
Expert #7
7 2 8
2 9 6 5
4
8 2 9
7 4 1 6
7 6
9 4 3 5
8 1
Expert #8
6 4 2 1
7 4 8
7
9 1 8 6
4 7 2
5
7 1 8 5
8 1
1 2 3

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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