Printable Expert Sudoku

Set 159b799. 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
6 1
4 5 2
6 5 9 3
7 3 6
2 4
9 6
2
1 5 9 3 4
4 1 8
Expert #2
2 6 4
8 4
3 4 9 1
9 7 8 2
4 6
8 2 7 4
5 3 1
8 1 3 2
Expert #3
8 2
6 4 5
7 8 9
7 1
6 5
5 9 3
8 2 3
3 1 7 6
4
Expert #4
1 4
2 5
7 8 9
8 2
4 7 1
5 9
3 1 7
6 5 3 2
1 8
Expert #5
7 9 8
4 7 9
9 8 1
9 5 3
6 1
2 6 4
1 3 9
9 2 6
3
Expert #6
5 6 1
4 9 5 2
2 6
4 3 5
4 6 2
9 7
3
5 8
8 6 1
Expert #7
7 8
3 9 2 5 7
4 1
6
8 7 4 3
1 5 9
3 6 2
8
9 3 4
Expert #8
3 5 2
1 9 6 8
4
7 5
2 1 4 8
3
9 8 3 4
1 3 7 9
5 7

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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