Printable Expert Sudoku

Set 1b50dlo. 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 1
4 2 1 5
5 9 2
5 3 9
9 1
2 8
9 2 3 6
4 7
6 8
Expert #2
5 7 9
3 7
6
5 9 6
8 2 1 5
2
7 2 1
4 7 5
6 3 8 4
Expert #3
1 9 7
5 7 9 1 8
3 9 5
4 6 5
4
5 6 2
9 5 3 8
4 8 6
Expert #4
7 3 4 5 8
3
2 5
7 9 4
9 4 5 1
6 8 5
3 1 4
7 8
8 6 7
Expert #5
1 3 6
8 5 1
8 7 4
2 1 5 7
6
7 4
9 5 8
1 2 6 4
Expert #6
5 3
7 6
5 1 4
5 8
9 2 4
2 6 8 9
7 3
2 4 6
1 4 5 7 8
Expert #7
4 5 1
2 9 8
1 3 2
6 9
5 4 1 8
7
3
1 8 5
7 9 3 1
Expert #8
7 5 4
7 3
3 9 1 2
8
2 8 6 7
4 3
5 9
9 6 3
5 7 6

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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