Printable Expert Sudoku

Set 1k3socg. 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 2 9
9 6 5 1
2 5
8 1
2 5
1 7 4
7 2
4
7 2 8 5 6
Expert #2
5
4 9 6 7 1
2 8
3 8 1 7
5 3 2
1 2
4 8
6 2
1 4
Expert #3
2 1 6
4 5 3
9 7 5
6 9 1 5 7
4 5
2 9
6 8 3
8 2 5
4
Expert #4
9 3
2 1 4 6
8
3 7
6 8 2
4 9 5
5 1 9
3 5 4
6 7
Expert #5
5 6 3
2 6 8 5
8 4 7
1 3 6
9 2 8 7
8
2 9 4 5
9 4 5 2
5 7
Expert #6
8 4 9
2 1 7 5
5 2
4
9 7 6
3 5
7 3
5 1
3 9 5 8
Expert #7
3
5 3 6 2 7
2
5 3 6
3 8 7 1
4 5 7 8
6 8 4 1
7 1 6
Expert #8
9 1
2 4 5 6 3
5 2
5
3 7 4
4 9 3
8 9
8 2 4
2 3 7

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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