Printable Expert Sudoku

Set oj93r6. 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 6 9 2
7
2 8 3 5 4
2 8 5 9
6 2
1 9
3 9
5 2 7 6
8 5
Expert #2
5 2 6
1
9 8
4 6
1 2
8 1 5
7
6 5 3 7
4 5 9
Expert #3
4 5 8
8 1
3 6 2 8
7 4
7 9 6 4
6 5 8
2
9 2 4 6
6 3 1
Expert #4
6 3 4
8 4
1 8
1 6 2 3
5 2
7
4 2 3 1 8
6 8
3 9 7 2
Expert #5
2 7 1
8 3 9 4 2
5 4 9
7 5 4
6 1
1 8 7 3
6
7 4 6 1
Expert #6
8 1
1 2 9 8
6 4 9 2
6 9
7 5 4 3 9
8 5
8 4
2 1
7
Expert #7
1 4
3 5 1
2 9 3
6 8
7
9 4 7 6
7 5 2
3 8 9 7
5 9 4
Expert #8
3 7 9
1 5 7
5 4 6 2
3 4 7
2 7 8
8 4 6
1
7 9 5

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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