Printable Expert Sudoku

Set isb0jk. 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
2 3 5
2 4
7 4 8 1
5 2 6
6 5 3
4 2 9
9
5 3 1
2 7
Expert #2
8 7 6
9
1 7 3
6 5 7
5 3
9 7 8
5 8
3 6 8 4
9 3 1
Expert #3
9 8
7 2 6
8 7 1
8 1 2
6 3
3 9 4 5
2 4 5
7
1 5 2
Expert #4
6 9
5 7
4 1 7
8 6
7 6 1
9 3 2
7 8 5
4 8
2 1 9
Expert #5
2 5 4
4 8 9
7 6
4 1 9
1 8
6 3 7 2
7 9
6 1 8
5
Expert #6
6 4 8 5
1 6 4
1 4 8
1
8 3 9 4 1
7 2
5 3 9
6 1 3
6
Expert #7
9 1 2
9 5 4
6 4 2 1
3 1 7 6
6 7
8 4 3
2 8
8 3
6 9 1
Expert #8
3
8
9 7 6
4 8 9
4 8 6
2 3 1
2 4 7
1 5
6 5 1 9 4

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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