Printable Expert Sudoku

Set 80ep70. 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
4 3 5
5 1 8 2
2 5 9
2 8
6 7 3
2 1 5 4 8
4 5 3
1 6 3
Expert #2
7
2 4 1 5
4 9
9 5 7
8 2
8 1 6
3
3 6 4 7 8
8 5 3 6
Expert #3
2 6
6
4 3 1 7
3 5 1 9 2
4
8 1
3 6 4
7 8 9
4 2 5
Expert #4
5 1
4 1 6
8 7 2
5 9 8
9 7 1
1 7 8
7 2 3
9 3 4
5
Expert #5
6
4 8 3 9
3 5 2 4
2
1 7
1 6 3 9
6 5 8
3 1 9
9 8 7
Expert #6
9 5 8
2 6
1 8 4
6 5 7
4 3
1
3 2 7 1
2 1 8 5 6
8
Expert #7
7 5 2 8
8 7
8 4 3
7 3
5 4 6
2 5
6 4 8 9
1 3 4
3
Expert #8
6 9 3
1 4
1 7 6
3 7 4
9 5 2
1 3
6 8 3 2 9
2 5 4

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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