PlaySudoku.us
Hard · Puzzle #522
8
5
4
7
4
1
8
6
1
2
6
4
9
4
3
9
7
5
2
2
8
9
3
4
6
7
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.
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.