Printable Expert Sudoku

Set 1nop09b. 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 6 2
5 3
9 5 4 1
7 3 9 5
4
1 2
8 4
9 2
1 7 3 5 9
Expert #2
7 2
3 8
4 1 7
4 2 6
9 5 1 4
3 2
5 1 4
1 9
6 5 7
Expert #3
7 1 5
3 7
9 8
1 5 6 9 3
3 8 1 7 5
6 1
4 5 8
7 4 6
Expert #4
1 5 7
1
5 8 9 4
8 3 7 2
4 5 8 9
2 1 6
2 1 9 7
3
9 5
Expert #5
2 3 4 6 8
9 1
5 4
7 2
8 4 5
6 1 5 9
1 8 4
1 7
9
Expert #6
6 4 9
5 7
8 5 2
9
4 8 2
3 9 6 4
2 5
4 1 7
7
Expert #7
9 2 6 3
4 9 3
1 5
6 4 1
7 5 8
9 2 7
5 9
6 7 8
7 1 5
Expert #8
1 4 7 2
5 8 1
9 6
8
3 1 6
7 9 4
5 2 4 6
5 1
8 2

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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