PlaySudoku.us
Hard · Puzzle #716
8
2
9
6
2
8
1
7
5
9
5
7
8
5
4
3
6
3
4
8
5
3
7
1
3
5
6
"Wonder is the beginning of wisdom." — Socrates
"Wonder is the beginning of wisdom." — Socrates
The P vs. NP problem — the biggest open question in computer science — would be impacted if Sudoku generalizations could be solved in polynomial time.
The P vs. NP problem — the biggest open question in computer science — would be impacted if Sudoku generalizations could be solved in polynomial time.