Printable Expert Sudoku

Set 1oj2285. 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
4 6 7 8 5
4 9 6
1 6 3
7 9 8 5
3 5
6 4 7
2 8
5 6
Expert #2
8 6 3
4 7
9 5 6 1
2 7
6 8 3
9 4 5
7 6 1
3
8 9
Expert #3
4
3 5 4
8 2
2 8 4 1
5 3 6
9 6 7 2
6 3 8
2 9
2 7 9
Expert #4
2 6 4 1
8 2 7
9
6 1 5
8 6 3
4 7
2 3
4 8 3 5
9 8
Expert #5
6 1
2 1 6 5
6 2 8
5 1 8
9 3 5 7
1 9
8 4 6
6 5 7 2 9 3
Expert #6
7 4
9 1 8
3 4 5 8
4 7
1 8 6
2 6 1
4 5 3 2
1
8 6 3
Expert #7
8 2 9
6 4 7 5
3 5
8 2 9
7 4 6
2 5 8
1 9 6
3
Expert #8
1 2 7 8
8 6 7
4 5
8 1 3
9 5
7 4
1 2
5
3 5 9

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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