PlaySudoku.us
Expert · Puzzle #330
4
1
2
3
7
2
9
6
5
3
4
5
4
8
3
9
9
5
3
6
9
2
1
5
7
8
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.
"The most powerful weapon in chess is to have the next move." — David Bronstein
"The most powerful weapon in chess is to have the next move." — David Bronstein