Printable Expert Sudoku

Set 1nct5na. 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
4 9
1
6 1 2 8 7
5 7 3 9 1
9 7 1 8
5
8 2 4
5 2 1
7 5
Expert #2
9 4 3
1 9 6 5 7
7 2
5
6 2 4
7 3 5 9 6
5 2 9
8
1
Expert #3
3 5 9 2
7 1 4 6
4 2
2 5 1
6 5 2
1 9
8
4 5
4 7 1
Expert #4
2 5
3 1 8
2 3 9
1
9 5
6 5 2 8
3
8 1 2 3
4 7 9 2
Expert #5
3 1
8 2
6 4 7 5
5 9 4
9 3
8 7
1 2
9 2 7 4
7 1 8
Expert #6
6
2 7 3
5 1 2
2 3
4 3 8
7 5 9
3 2 5
9 6
8 2 1
Expert #7
3 2 5
4 3
2 5 1 8
9 4 8 7
4 7
1
7 4 3
6 9 2
8 9
Expert #8
8 2
3 1 2
5 7 1 6 3
2 4 8 6 9
8
4 5
1 5 3
6 2 5
4

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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