Printable Expert Sudoku

Set 1to0ovx. 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
3 4
5 2 6 3
1 8 2
1 5 8
2 7
4 6
2 9 7
8 9 1
5 6
Expert #2
8 3
1 5 6
3 6 1 2
2 4
5 9
8 7 4 5
4 6
2 6 7
1 8
Expert #3
4 5
1 8 5 9
2 1
5 9
6 7 8
3 4
9 2
1 4 6 3
3 6 8
Expert #4
4 1 2
5 8 9 3
3 6
7 2
9 7 8 5
6
3 9 8
8 4 9 2
2 1 6
Expert #5
6 4
6 2
7 5 8
1 3 9
8
2 9 7 8
6 3
9 3 2 5
7 9
Expert #6
7 1 5
2 8 7 1
3 9
9
4 7 6 9
2 3 5 7
6 8 4
5 3
7 8
Expert #7
2 3 4
7 2
7 5
4 8 1 9
8 6 2
6 3
3 1
4 5
5 9 8 4
Expert #8
1 4 9
3
3 5 8 6
1 3 9 8 6
8 4 3 5
2 5
2 6
9 1
6 5 3

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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