Printable Expert Sudoku

Set xkju1o. 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 7 4
2 5 3 9
5 9 3
6
7 4 8 5
9 4
8 2
3 7 9
2 5
Expert #2
9
2 4
5 4 6
7 4
2 6 8
9 8 5
6 7 9 5
8 3
2 7
Expert #3
4 5 1
3
1 2 7
6 2 7
6 9
7 4 3 9
2 3 6 8 4
4 3
8 5 7
Expert #4
6 2 1
5 6
7 8 9 3
7 1 6 8
2
4 5
2 5 4
4 6 9
9 8
Expert #5
4 7 6
3 9 4
9 3 6 8
3 6
2 8 9
4 5
3 1
9 6 2 3
5 2
Expert #6
3 4
9 4 1
7 2 1
5 4 6
9 3 2
8 6 1 7
6 1 5
2
3 9
Expert #7
4 9
2 8
3 6 7
4 7 8 3 1
8 1 9
1 9 4
6
7 2 3
2 9 6
Expert #8
5 8
9 6
3 4 7
4 1 8
8 6
2 3 5 9 4
9 2
1 7 2 9
5

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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