Printable Expert Sudoku

Set wspma7. 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
1 7 8
7 1 4
5 8 6 3
5 8 7
2 9 1 3
4 9
8 1 2
4 8
Expert #2
6 2
9 4
4 8 9
7 3 6
2 4 8
6 4 5
9 2 6
5 3
1 6
Expert #3
7 6 9 2
9 4
1
5 2 1 6
7 2 4
8 5
3 5 9
2 8
5 6 1
Expert #4
7
9 1
4 5 9
1
9 8 2 7 6
2 5 6 7
3 5 6
2 6 3
2 8 7 3
Expert #5
4 5
6 8 4
7 3
2
1 4
4 1 5 7 6
9 4 6 5
2 4 3
7 9
Expert #6
4 2 8
4 2
6 7 2 5 3
1 7 3
5 7 9
6 4 2
5
4 8 1
9 7
Expert #7
5 7
6 7
4 8 6
3 7
1 9 4
1 3 2 5
5 9 8 1
2 1
9 4 6
Expert #8
4 5
1 6 5
6 7 3 4
3 6 4
7 4 5 3
2 4
8 7
5
8 7 1

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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