PlaySudoku.us
Hard · Puzzle #441
3
8
5
2
5
9
7
8
3
7
5
1
8
4
6
3
8
7
1
2
8
1
3
8
6
6
1
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.