Printable Expert Sudoku

Set 1iu2p9i. 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 3 4
2 5 1 9
2
3 4 5 8
6 4
1 7 3
4 6 2 8
8 1
9
Expert #2
5 7
9 1 6
2
8 6 4
4 3 2
9 5 2
3 1 4
5 3
7 2
Expert #3
4 5
5 6
2 4 7 8
6 3
1 5 4
8 3
7 2
3 9 1 5
5 4
Expert #4
8 9 3
3 4 6 9
2 7 8
4 3 1
7
1 9
5 2 6
1
8 7 4
Expert #5
4 9
5
2 9 5 4
3
7 3
5 8 1
4 7 3
1 4 2 9
9 4 1
Expert #6
9 4 3 1
6 7 8
9 7 5
8 5
6 7 2 1 4
2 1
4 7 8 6
6 3
Expert #7
7 9 1 3
4
2 1 7
8 3 6 5
1 9
5 4 3
7
3 2
9 8 6 5
Expert #8
4 3
2 4 7
2 5 8
3 9 5
2 8
7 1 3 6
8 6
5 9 6
5 2 7

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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