PlaySudoku.us
Hard · Puzzle #569
7
4
5
1
8
6
9
2
4
9
2
3
4
2
3
7
9
9
4
6
8
2
3
6
3
8
1
5
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.
"God made the integers; all else is the work of man." — Leopold Kronecker
"God made the integers; all else is the work of man." — Leopold Kronecker