Printable Expert Sudoku

Set 1bus1b9. 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
2 4
8 6 4 1 9
5 7 9 2
7 4 8
9 3 5
6 3 1
2 4 1
7 5
Expert #2
3 1 7
3 2 1
5 9
1
3 8 2
9 8 4 7
9 4
5 3 6 8 9
1 5
Expert #3
5
2 8 4
2 6 3
8 7
4 3
3 9 1
8 6 7
9 4 5
2 3 6
Expert #4
6 5
4 7
6 3 7
4 3 1
6 2 8
5 1 3
5 2
1 8 9
7 9 4 6
Expert #5
6
2 5 8 1 7 9
7 3 5
8 6 2
1 2 7
4 8 6 5
1
6 2 7
Expert #6
1
6 7 2 5
1 9 7 2
3 7 1 4
4 6 9
8 3
4 2 6
5
4 1 3
Expert #7
3 8
4 3 7
1 2
3 9 4
2 9 4
6 8 2
8
3 8 7 4
9 5 2 8
Expert #8
6 7 5
4 8
9 1 3
2 8
9 1 4
1 5
7 2 1
4 3 8
6 5

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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