Printable Expert Sudoku

Set 1800nsl. 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
7 1 9
1 8 2
3 6
2 3 8
6 4
3 9 4
5 2 9 8
5 6
9 7
Expert #2
4 6 8 2
5 3 7
1 7 5 4
7 6 1 8
2 1
6 1 4 7
5 2
4 3
Expert #3
9 2
7 5 2 3
4 8 7 5
2 1
4 6 1 5
7 3 4 9
6
5 8 7
Expert #4
8 3 9
9 4 7
6 2 3
7 9
6 1
5 3
9 7 3 1
2 4
8 5
Expert #5
2 4 6
9
9 1 3
5 9 1
3 4 8 5
1
2 1
8 4 9 6 7
7 4
Expert #6
6 9 2 5
6 1 8
7 9 4
1 8 3 6
3 2
2 6 9 1
4
4 7 1
Expert #7
1 8 7 6
1 8
5 2 9
4 9 3 8
3 7 2 8 4
6
7 1
4 9 2
3
Expert #8
8 4
5 3 1
6 3 5
4 8 2
8 9 2 4
4 8 1
2 7 1
9 5 3
1 6

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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