7
3
6
4
8
2
8
4
6
7
1
5
4
4
6
5
9
4
7
3
8
6
9
7
1
7
2
3
9
5
1
Network flow algorithms can solve special classes of Sudoku more efficiently than general backtracking.
Network flow algorithms can solve special classes of Sudoku more efficiently than general backtracking.
"No amount of experimentation can ever prove me right; a single experiment can prove me wrong." — Albert Einstein
"No amount of experimentation can ever prove me right; a single experiment can prove me wrong." — Albert Einstein