Puzzle Detail
12×12 Hard — Set 3
4
9
12
8
2
10
1
5
4
7
8
12
3
5
7
7
10
11
2
8
10
6
2
7
4
3
9
11
1
11
8
7
3
11
1
7
4
10
5
3
11
1
9
12
6
5
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.