Printable Expert Sudoku

Set 1ppfu3c. 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 5
6 8 3 4
2 4 9
1 2 8
5 1 8
3 4
3 6 8
7 3
2 5
Expert #2
6 2 9 1
7 9 4
8
8 3 1 7 2
1 7 9
6
8 2 5
6 9 4
2 6
Expert #3
6 7 3 8
5 6 4
4 9 7
9
9 2 3
5 3 8 6
7 2 1
4 6
8 4
Expert #4
1 4 8
2 3 1
7 3 6 9
5 9 8 2
1 9 7
8 6 7
6 4
2 3 5
Expert #5
5 3
9 8
6 1 8 3
2 9 4
1
6 4 2 7
7 1
1 9 8 5
4 2
Expert #6
4 1 9
6 2
9 6 7
3 1 2 6 9
6 5
2 7 9
7 9 8 5
4
2 3
Expert #7
3 8
1 6 8 2 9
5 6
6 5 3 7 4
9 8
2
1 5 6 7
2 1 7 4
Expert #8
9 1 8
7 4
7 2 6
7 9 5 6
2 9 3
5
4
5 1 6
3 5 7

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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