PlaySudoku.us
Expert · Puzzle #299
2
3
9
4
2
7
8
7
8
6
9
3
1
7
6
5
4
1
7
4
2
6
5
2
1
"Patience is bitter, but its fruit is sweet." — Aristotle
"Patience is bitter, but its fruit is sweet." — Aristotle
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.