Printable Expert Sudoku

Set clfb62. 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
5 7 9 1
8 4 5 7
5 1
6 9 7 1 8
6
1 3
3 8 2
7 2 6 3
Expert #2
8 4 6
2
6 2 8 7
4 9 6
4 3
1 5 8
8 2 3
6 2
7 5 9
Expert #3
5 8 9
6 7 2
5 4 6
3 5 6
9 7
4 3 5
1 9 2
1
2 3 8
Expert #4
6 2
2 6 4
3 5 9
9 1
3 7
1 3 8 9
4 7
7 9 5 1
5 9 8
Expert #5
1 8
5
6 9 3 4
2 7
4 5 2
7 1 3
7 1 5 6
4 7
5 6 7 3
Expert #6
4 9 1
5 1 3 4 2
6
6 8 4 7
8 9 6
4 7 3 8 5
7
2 1
Expert #7
5 7 3
9 4
1 2 3
3 6
1 6 5
7 2
8 4 1
6 9 5
1 6 8
Expert #8
6 8
4 8
6 1 7 5
2 6
9 7 1
8 5 7
1 6 3 2 7
2 3
9 2 6

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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