Printable Expert Sudoku

Set olbn0x. 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 8 2 7
6
1
5 2 3
4
2 7 9
5 4 3 9
9 4 5
2 1 9 5
Expert #2
7 1 9
3
9 1 2 6
4
1 9 7
7 3 1 8 4
6 9 1
2 6 5
4
Expert #3
1 7
8 7 5
9 6 2
3 6
3 9 6
1 2
4 7 1
6 9 8
1 8 5
Expert #4
8 6 3 4
4 1
9 8
8 6
1 5 7 2
5
7 6 1
2 7
4 1 5
Expert #5
5
6 5 1 3
2 9
4 7 9
1 2
8 7
5 2 8 3 6
1 3 9 8
5
Expert #6
5 6 1
7
6 3 4 9
4 6 9 8
7 8
1 3 7
5
9 5 1
2 1 9 8
Expert #7
6
9 1 7 4
4 6 5
8 6 7
3 5
9 6
9 3 5
7 5 8
9 1
Expert #8
5 1 9 7
9
3 9 4
8 6 3
5
4 1 2 5
7 9
9 8 2
2 6 1 8

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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