PlaySudoku.us
Easy · Puzzle #81
6
8
3
2
1
4
8
9
7
6
3
5
9
7
6
1
8
1
3
2
9
6
4
9
7
2
4
6
1
5
8
3
2
1
8
7
5
7
9
6
4
1
3
6
1
2
8
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.