PlaySudoku.us
Hard · Puzzle #574
1
8
7
4
3
7
8
6
5
7
8
4
6
9
2
4
1
8
5
9
3
1
6
7
4
3
2
8
"A man who dares to waste one hour of time has not discovered the value of life." — Charles Darwin
"A man who dares to waste one hour of time has not discovered the value of life." — Charles Darwin
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.