Printable Expert Sudoku

Set 15ufbt7. 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 7 4 3 9
5 7 6
4 3
1 9 3 2 8
1
7 3 4 9
1 8
5 2
Expert #2
1
2 9 7
4 7 8
6 5 8
1 9 5
1 2
3 1 5 4
6 9
8 9 6
Expert #3
8 5
4 9 7
3 7 5 2
2 4 1 9
3 4
6 5
7 6 9
3
1 3 8
Expert #4
7 1 5
8 4 9
4 7
9 7 6 1 3
5 2
3 2
7 9
2 3 1 7
1 8 4
Expert #5
3 5 1 7
2 7
4 9
2 3 4 8
4
6 2 1
5 7 8
9 1 6
3 9
Expert #6
1 7
3 5 6
1 4
3 8 6
8 4 6
7 6 8 2
4 2 3
9 7 4
Expert #7
9 6
4 3
5 8 3
1 4 9 8
1
6 5
4 9 3
5 2 1
8 2 7
Expert #8
9 8 4
4 8 3
7 3
1 5
1 3 6
6 2 7
9 4
4 5 3
9 6 7

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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