Printable Expert Sudoku

Set ctg471. 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
6 9
1 8 7 5
9
8 5 6
5 2 4 8 7
1 3 5
2 4 8 6
7
Expert #2
6
7 5 9 1
1 4 5
5 6 8
7
7 4 3
9 1 4
4 1 7
6 7 3 9
Expert #3
9
7 5 4 2
2 6 7
1 4 3
4 1 8
3 2 7 5
5 9 1
1 6
4 5
Expert #4
9 3 2
7 1
4 5 2 6 9 7
8 4 6
7 1
2 7 6 4 8
5 1 6
3 1
9
Expert #5
7 8 9 2 3
1
3 9 4
7 4
9 6 1
6 1 3 2
3 8
7 3 8 6
4
Expert #6
5
9 7 8 5 1
6 7
2
9 6 1
3 5 6
3 1 8
1 4 7
2 4
Expert #7
5 3 8
2 8 5
9 6
7 3 5 4
1 8
3 8 6 2
9 1
2
5 7 8
Expert #8
9 6 5 3
2 1
8 4
6 5
4 7
9 8
6 3 2 9
5
4 1 7 2

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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