Printable Expert Sudoku

Set s20qcf. 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
9 1 2
8 3 5
8
6 1 4
8
9 7 8
7 4 2 3
9 5
2 4 7
Expert #2
8 3
7 9 6 8
1 5 3
2 4 7 9
4
3 2 8 6
9 7
5
7 8
Expert #3
5 2 7
1 8
8
9 7 2 3 5
6 3
2 6
3 7 5 2 1
4 3
5 9
Expert #4
8 5 4
5 7 3
6 2
6 2 9 5 1
1 7
3 8
2 3
4 2
9 7 8
Expert #5
3 6 8 7
5 8
2
4 8
9 2 6
3 4 1
7 3
1 9 4
4 5 6
Expert #6
3
6 5 9
6 1 5
7 1
4 8 7
2 4
5 3 7
1 9 4
6 4 3 8
Expert #7
2 8 7 4 9
2 3
8 9 3
6 7 5
7 5 9 4 2
1 6
5 3 2
5
Expert #8
2 8
1 9
6 1 5
3 9 7
4
7 5 4 2
9 3
8 7 1
2 5

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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