Puzzle Detail
12×12 Hard — Set 9
11
5
8
3
1
3
4
5
2
1
5
4
3
1
2
9
12
7
3
11
11
4
5
9
8
2
9
12
2
3
7
6
11
5
9
5
8
2
10
9
10
7
11
1
6
11
Solver Notes
Frequently Asked Questions
What is Hard 12×12 Sudoku?
A 12×12 sudoku grid with fewer given numbers, solvable with basic logic techniques.
How long does a Hard 12×12 sudoku take?
30–60 minutes for a hard 12×12 sudoku, depending on experience.
Can I print this 12×12 sudoku?
Yes, click the Print or Download button for a PDF version. Optimized for A4 and US Letter paper. Solution is included on a separate page.