Printable Expert Sudoku

Set 1ir9a51. 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
1 9
7 3 1
6 4 7 8
3 8 5 7
1
4 9
6 7 5 2
4
5 8 2 6
Expert #2
9 8 2
3 5
2 1
6 9 3
1 3
4 9 5
3 6
5 8
6 4
Expert #3
5
1 6 8 3
9
8 4 9 7 6
3 7
5
9
9 2 4 6 8
1 2 5
Expert #4
5
9 3 6 2
9 4
3 2 8 1
7 9 4 3
5 9
1 7 5 8 9
3 9 6 8
Expert #5
7 9 8 5
9 1 2
2
6 8 7 3
4 1
9
1 5 8
4 9
5 3 6 2
Expert #6
2 4 1 9
7 6
5 3
4
6 8 3
3 1 5
6 7
4 3 2
9 3 1
Expert #7
4 2
1 7 9
4 5
7 5
6 5 8 9
1 4 9 7
6
2 3 5 8
2 1 3
Expert #8
6 7
9 1 3 6
3 1
7 8
5 8 6 2
5 3
2 5 7 3
4
2 8 9

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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