Printable Expert Sudoku

Set 100trcj. 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
4 7 2
3 1 5
2 9
4 8 9 1 7
7
6 8
6 5 8 2
9 1
8 3
Expert #2
5 4
8 2 1 5
9 6 7
5 2
4 7
2 1 8 6 9
8
3 2 9 7
1
Expert #3
9 4 1 3
4 6 7
7 8 2
9 3 7
8 2 4
3 1
5 3
6 2 8
9
Expert #4
1 8 3
3 6
4 2
8 1 7
9 3 7 4
9
6 9 1 8
3 2 7
8 6 1
Expert #5
5 1 6
2 3 8
3 7
4
5 9 6 1 3
7 5 3 4
6 5
8 3 7
8 6 1
Expert #6
1 5
9 1
6 3 8
2 5 4
4 9 6
7 5
6 7 5
3
1 8 4 7
Expert #7
7 1 6
7 5
6 9
5 8 9 7
7 2 5
2 1 9
9 3 4 8
3
4 5 1
Expert #8
9 3
8 7
9 4 2 5
3 5
1 6 8 5
5 8 7 6
1 6 3
5 2 4

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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