Printable Expert Sudoku

Set 18iq020. 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
2 9
2 4
9 8
7 6 3
6 3 7 8
4 8 6
5 7 1 3
5
6 8 5
Expert #2
7 1 8 3
3 6 8 1
5 8 6
1 3
9 7 3 5
8 2 7
1 6 9
9 5
Expert #3
3 7
7 8
6 3 9 8 2
9 4 6 5 2
3 9
3 5 6
5 1 2
9 3 7
Expert #4
2 7 5
4 3
2 1 9
6 8
7 9 6
1 3 6
4 1 6
7 3 8 1
3 7
Expert #5
2 9 1 8 3
3
4 2
1
5 6
3 5 8 1
3 8 6
4
8 2 5
Expert #6
4 7 9
5 2 3 1
8 1
9 6 3
4 3
3 1 8 4
8 7
7 9 5 6
9 2
Expert #7
4 2 6
2
5 1 4 7
4 7 2 3
3 5 9 8
9 3 4
9 1
5
8 9 5 7
Expert #8
1
3 9 1 2
6 3
7 2
2 6 1 4 8
9 5
5 8 6 7 4
3 8
4

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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