Printable Expert Sudoku

Set lttny4. 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
2 3
9 5 4
6 7
7
5 8 2
8 5
5 6 4
8 9 4 1
9 6 1
Expert #2
2
1 3 4
3 4 9 6
1 9 5
6 1
2 9 7 4
2
8
9 3 7 5
Expert #3
2 4
5 9 8
8 5 6
9 2 3
7 1
3 8 2
1 3 5 9
3 4 2
4 6
Expert #4
7 4
6 8
3 4 2 7
1 7 5
2 4 9
7 5 4
2 4
5 1 3
1 3 6 2
Expert #5
3 6
3 1
7 6 2 9 4 3
2 7 4
9 4 2
6 1 9
3 5 2 6 7
8
6 5
Expert #6
6
6 9
7 2 8 1
5 9
3 4
3 9 1 5 7
6 4
4 7 5
1 8 2
Expert #7
5 9
4 5
7 3
7 8 4
6 2
4 5 2 8
1 2 5
3 8 6 9
Expert #8
7 2 1 5
4 6 9
7
8
9 4 8 1
5 9 3
9 8
7 2 6
2 4

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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