Printable Expert Sudoku

Set iz1i07. 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 6 2
6 1
5 9 7
4 3 1 7
7 3
2 6
6 4
5 9 2
3 4 1
Expert #2
2 5 6
9
4 1 6 2
8 3 6
9 4 2
8 7 4
1 6 8
7 9
3 2
Expert #3
8 6
5 2
2 7 9
8 1
4 9 8 6
7 4 5
9 5
3 4
8 9 7
Expert #4
2
1 8 2 4
6 4 5 9
7 1 3
6
9 7
5 6 7 8 1
3 1 5
3 7 4
Expert #5
5 3 9
9 5 3
2 1
6 8 4
3 5 8 7
4 9 5
1 4
2 3
5 7 9
Expert #6
4
9 3 5 6
5 3 1
9 7 4
8 9
7 2 3 1
4
9 2 6 7
2 7 5
Expert #7
9
1 9 7 6
2 8 3 1
4 9 2 5 6
7
5 8 2
8 4 2
8 6 1
6 9 5 4
Expert #8
6 4 7 8
5 6 1
3 1 6
3 9 5 1
5 4
2 4 7
7 3 6
5 8 9 3

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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