PlaySudoku.us
Expert · Puzzle #167
5
8
2
6
9
7
3
2
1
1
6
6
7
1
3
2
5
8
3
2
8
9
6
3
1
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.
"Mathematics is the music of reason." — James Joseph Sylvester
"Mathematics is the music of reason." — James Joseph Sylvester