Printable Expert Sudoku

Set c104ct. 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 4
6
3 6 1 5
6 3
9 5 3
2 4 8 9
4
1 4 9 2 3 7
1 3 8
Expert #2
4 6
8 9
1 6
3 9 1
1 7 4 5
8
8 9 2 5 4
7 4 2
1 9 7
Expert #3
7 6 8
1 2
6
4 1 2
1 6 4 7
3 2 9
3
8
3 9 4 7 1
Expert #4
6 9
4 1 2
7 8
1 3 5 8
2 9 4 3
2 1
8
6 4 9 8
4 3 7 2
Expert #5
4 9
1 8
1 6 7
6 5 2
7 5 9
8 5 7
3 5 4 8
9 5
2 3 8
Expert #6
3 6 4
6
5 7 2
9 3 7
4 9 6
5 2
6 7 2 3
1
7 2 8
Expert #7
9 6 3 5
2 4 9
6 9
5 6 1 3 8
1 4
5 3 4 7
5 9 4 3
1
Expert #8
1 6 8
7 9 3
2 6
7 3 9
2 4 5
3 4
2 7
1 4 7
6 8 2

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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