Printable Expert Sudoku

Set 1yyum51. 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
5 7
1
7 3 2 6
8 6 2
3 7 1 9
1 7
8 1 7 6
8 3
6 4 3 9
Expert #2
4 3
9
8 5 1
5 3
2 1
8 6 7 5
4 7 3 9 2
9 2
6 2
Expert #3
9 2
1 2 3
8 1
3 5
2 4 8
4 9 5 7
9 2
1 7
7 5 9 4
Expert #4
8 3 1
5 3 4 7 6
4
4
1 5 3
3 7 6 9
4 9 1
7 5 1
1 7 8
Expert #5
5 8
8 1 5
7 4
2 5 4 8 3
9 6
4 8 3 6
4 9 8
3 6
2 7 5
Expert #6
4 6
7 8
1 9 7
6 4 9 3
9 5 1
4 7 1 6
2 7 5
3
6 1
Expert #7
4 1 2
3 6
7 6 9
8 3
2 5 9
3 4 5
4 6
3 9
7 2 1
Expert #8
5
6 9 2
5 2 7 1
6
4 5 3 8
3 9
2 1
1 7 5
8 4

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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