Printable Expert Sudoku

Set 18cm3gc. 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
1 9
3 7
6 2 3
2 4
1 7
3 9 4 5 8
7
6 4 2
9 8 5 1
Expert #2
2 9 7
4 8
3
6
9 5 1 3
7 8 2
5 8 7
2 4 5 8
1 6
Expert #3
9 5 2 3
4 6 1 9
2
9 7 5
6 7 8
2 4 3
3 1 4
2 3
1 8
Expert #4
6 9 1 7
7 2
4 8 6
9 2
3 8 5
1 2 5 6
2 1 4
4 8 3 1
Expert #5
3
1 8 7
5 7 8
5 1 2 7 4
1 2
2 4 5 7
3
1 4 8
7 3 4 6
Expert #6
9 3
2 4
8 5 3 6
4
1 7
6 7 5 3 9
3 2 5
5 9
6 7 1
Expert #7
7 4 5
3 4 2 8
2 9 7 8 4
2 3
9 5
5 6 8
1 6 7
2
4
Expert #8
5 2 6 1
4 2 7
3
6 4 8 1
7 2 6
3 1 4
8 9
3
4 2

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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