Printable Expert Sudoku

Set eqn63u. 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
6 7 8 5
1 9 7 6
4 8 3
9 2 1
6 7
3 4
2 8
4
9
Expert #2
4 8 2
5
1 2 7 9
1 3
9 4 2
9 7 4
6 2 8 5
8 9 7
6
Expert #3
9 8 1
4
8 1 7
9 7
6 5
5 2 4
3 8 6
4 5 3
6 9 2
Expert #4
5 9
6 2 4
9 1 5
9 8 2
7 6
5 8 3 7
2 3
4
4 3 8 2
Expert #5
8 5 9
9 3 6 4
7 8
6 5
2 1 7
3
7
1 5 7 2 4
6 1 3
Expert #6
8 4
6 5 1
1 4 7 2
5 3 9 7 8
6
3 7 4
5 6
3 9
8 2 3
Expert #7
5 7 3
2 1
6 1 5
8
4 9 3
8 6 3 2
3 7 1 6
2 4 8
2 4
Expert #8
6 7 8
6 5 7 9
5 2
2 4
8 4 2
5 8 1
1 5 6
7 5
9 4 3

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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