Printable Expert Sudoku

Set 1mwii9d. 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
4 9 1
8
9 7 3 2
1 2
5 3
2 1 6 5
9 2 7
1 6 3
7 4
Expert #2
7 1
8 4
6 3 7
8 1 9
5
5 4 6 2
2 5 1 4 3
8 1 9
4 5
Expert #3
1 9 7
5 6 4
4 3 8 5
2 6
5 1 8
3 4 5
8 3
7 9
Expert #4
6 9
2 7 4
7 9
5 8 2
8 6
9 1 5 4
3 6 1 5
9 1
6 8 4
Expert #5
7 2 1
3
6 4 3 7
9 1
4 8 5
6 9 5
9 1 2 8
5
8 2
Expert #6
2 8 1
5 1
4 7 3
6 5 4 8
2 4 6
9 3
9
7 4
8 1 4 6 2
Expert #7
8 5 9
1 2
6 8 3
7 4 5 3 1
1
2 3 9
1 4 3 2
3 6 5 4
8
Expert #8
8 4 2
9 4 2
4 5 7
3 1
6 4 7 1 8 3
4
5
7 1 3
7 6 9 2

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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