Printable Expert Sudoku

Set 1rab19w. 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 9
2 8 7 1
4
1
3 5 8
7 2 3
2 8
7 9 3 6
5 8 1 7
Expert #2
8
3 4
4 6
6 9 1 2
7 2 5
7 9
4 6 1
7 5 3 9 2
5 7 6
Expert #3
4 1
5
8 2 9
6 5 2
3 7 6 4
3 8 5
1 4 8
5
7 3 6
Expert #4
9
5
7 6 5 3 4
8 3
2 4 8
7 1
9 1 6
2 7
8 6 9
Expert #5
1 2
6 5
8 3 9 1
3 1 9
2 8
7 6 4
7 2 4
4 1 7 8
5 9
Expert #6
1 2 7
9 8 6
2 4
3 6
6 2 7 8
1 4 7
8 3
1 2
5 2 9 4
Expert #7
7 1 4
4 2 8 9
2 6
9 7
1
9 6 7 2
7 8
6 1 5
1 4 6 3
Expert #8
5 1 7
1
4 8 6
1 3
3 9
9 6 4 2 8
9 4 2
5 7
3 2

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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