Printable Expert Sudoku

Set 1urdt6r. 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
8
4 1 3
5 7 8
1 7
2 7 4 6
7 1 2 9 5
1 5 4
6
9 3 8
Expert #2
3 6 1 9
9 5 8 6
2 1
2 7
4 5 8
8 6 4
6 2 8
3
7 4
Expert #3
1 8 4 7 6
2
9 6 4
4 1
4
7 6 2
5 4 3
7 9 5
2 9 1 3
Expert #4
5 3 8
4
1 3
1 7
9 4 2
2 9 5 3
4 7
6 8 9
4 6 1
Expert #5
5 2 8
1 7
7 9 1 3
3 8
4 6
3 9 4 1
5
8 2 3 9 7
2 6
Expert #6
9 1 8 4 6
4 5
3 7
9
8 4
8 3
1 6 5 4
3 6 8
4 6 1 2
Expert #7
7 4 5
8 3 7 6
6 4 1
5 6 7 1 4
4 2 3
2
1 9
8
3 8 6 9
Expert #8
4 9 5
9 2
3 1
5 7 3 2
4 9 8 6
4 1 9
6
1 2 5
3 5

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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