Printable Expert Sudoku

Set 1i6te39. 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 2 6
9 5 3 1
7 9 3
4
2 7 1 6
7 3 1
4 3
9 6
6 2 7
Expert #2
9 2 4
1 3
2 5 6
7 2 9
1 3
6 5 7
5
8 7
2 6 3 1
Expert #3
1 4
9 5
5 4 2 1 7
9 3 5
2 7 4
1 3 5 9
8 6
6 4 5 3
Expert #4
8 3 9
5
6 1 8
2 8
7 5 1 3
3 7 4
5 2 1
3 6 2
7 5
Expert #5
5 3 6 1
8 5 6
9 2 5
9 8 4
7 4 3
1 5
6 1 4
6 7
1 9 2
Expert #6
3 2 9 6
8 7
1 8 4 2
3 1
9 7 2 8 5
5 3 2
8
6 5
Expert #7
8 9 5 3
7 4 9
5 8
4 6 1
1 2
7 3 4 9
8 2 7
5
4 8 2
Expert #8
8 1
1
6 3 9
4 8 5 6
3
2 7 5
1 9 6 8
1 7 2 9
4 2

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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