PlaySudoku.us
Expert · Puzzle #669
1
5
8
3
2
1
7
9
4
1
6
5
3
9
5
1
4
8
2
6
9
4
2
7
8
"The measure of a man is what he does with power." — Plato
"The measure of a man is what he does with power." — Plato
Sudoku can be expressed as an integer linear program — a branch of optimization mathematics used in logistics and finance.
Sudoku can be expressed as an integer linear program — a branch of optimization mathematics used in logistics and finance.