Printable Medium Sudoku

Set 1nu99nn. 8 puzzles with an answer key, ready to print.

Medium puzzles start with about 33 givens. Scanning gets you partway, then you'll want to pencil in candidates and look for hidden singles. Print a few and keep them handy for a commute or a waiting room.

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

Medium #1
2 8
8 3 1 5 4 9 7
7
6 7 4
6 8
9 2 1 7
7 3 6 2
9 3 5
4 8 6 2 9 3 1
Medium #2
3 9 2 7 8 4
7 1 5 2 3
4 2 1 9
8 4 1
8 9 5
6 2
6 1 3
3 7 6 8
5 9 2
Medium #3
3 7 8 9 6
8 1 3
1 3 9 7
3 9 5 1
1 7 9
5 7 4 6 2
6 5 8 4
7 3 5 6
5
Medium #4
3 2 9 1 5
5 4 6
8 9 4
6 1 4 7 8 3
1 2 6
3 4
6 9 1 4
3 2 6 5
3 8 7
Medium #5
9 6 2 4 7 5
1 6 7 9
3 2 8 5
4 6 5 3
8 5 9 4
2 3 5 4 8
3 6 4
3 1
1
Medium #6
8 7
3 6 9 4 5
2 9 1 4
9 2 7 1 5 3
3 2
2 8
9 5 1 7 6 2
8 6
2 4 9 1
Medium #7
5 1
4 7 3 6 2 9
5 4 7 3
1 6 3
8 6 9 1 7
2 4 1 9
4 3 8 9
2 8 5
9 6
Medium #8
3 4 7
6 8 7 9 3
7 9 6 4
2 6 9
9 7 6 3 4 1
5 4 7
2 8 7
6 2 5
6 8 5

Answers are on the last page of the PDF.

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Techniques for medium puzzles

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