PlaySudoku.us
Medium · Puzzle #427
5
9
8
6
2
1
3
6
4
5
9
7
9
5
4
2
5
1
7
1
2
7
6
8
8
2
1
3
7
5
4
2
4
9
"Wonder is the beginning of wisdom." — Socrates
"Wonder is the beginning of wisdom." — Socrates
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.