8
6
7
2
3
4
8
2
6
1
4
7
1
7
4
3
7
8
1
5
8
3
7
6
4
9
3
9
6
1
1
9
4
2
Sudoku is a constraint satisfaction problem — the same class of problems used in scheduling, circuit design, and AI planning.
Sudoku is a constraint satisfaction problem — the same class of problems used in scheduling, circuit design, and AI planning.
"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