PlaySudoku.us
Medium · Puzzle #870
2
8
4
7
6
9
5
2
8
7
3
6
1
1
4
8
7
3
1
5
2
5
4
6
2
3
6
5
7
4
6
7
9
4
1
"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.