Printable Expert Sudoku

Set 1a1c50j. 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 8 3
5 9 3 6
8 4
6 9 8
2 4 5
4 5 9
9 3 2
6 1 7
7
Expert #2
6 8 3
2 3 9
9 1
5 7 4
3 7 9 1 8
1 6 5
4 2 8 6
4 2
5
Expert #3
4
7 1
2 1 8 6 7
5
4 7 2
7 8 4
5 4 8
6 9 2
8 3 1
Expert #4
4 6 9
5 4
9 2 5 7
6 3 1 7
7 3 6
2 4
3 5 6
8 3 2
5 6
Expert #5
9 7 3
8 5
6 3 8
9 1 4
1 3 5 9
8 3 5
6
7 2 8
1 7 3
Expert #6
9 1
2 9 7 5
5 8 7
2 8 9
5 8 2
7 4
1 3 4
6 3
8 6 7
Expert #7
7 5
9 3 4
8 2 6
6 8
1 4
2 3 7
9
5 3 2
4 1
Expert #8
3 5 6
9
1 8 4 5
2 5
6 7 1 4 9
6
4 1 7
7
1 4 5 3

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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