Printable Expert Sudoku

Set 1h51lai. 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
1 8
7 3 1
8 4 2 9
5 4 7
9
8 9 4 5
5 8
6 3
Expert #2
2 6 4 3
3 7 8 5
6 4
2 7 8
7 9 2
6
4 5 6
9
1 6 3
Expert #3
9
1 5 6 8
7 6 4 3
8 5 4 1
6 9
7 3
2 8 1 9
7 4 8
1 2
Expert #4
9 6 3
4 1 7
2 4
2 1 7 9
8 7
5 1
6
5 4
9 5 6 3
Expert #5
3 9
3 4 1
7 2 5 3 4
4 7 9 1 8
6 9
5
6 5 8
8 9 2
4
Expert #6
7 9 6 3 5
9
3 1
5 1 4 9
2 8
4 5
9 8
8 6 2
4
Expert #7
4 5 8 7
7 4 5
6 9 1
3
8 2 6 5
9 1 3
1 7 3
5 6
4 7
Expert #8
9 5
5 8 1 7
4 6 8
6 2 3
5 4
4 9 6
7 2
3 9 7
8 5

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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