PlaySudoku.us
Hard · Puzzle #488
1
5
6
9
8
4
8
3
5
6
7
3
8
2
7
9
3
5
1
4
3
1
7
5
9
4
In 2013, researchers proved computationally that every valid 16-clue Sudoku puzzle has a non-unique solution — 17 is truly the minimum.
In 2013, researchers proved computationally that every valid 16-clue Sudoku puzzle has a non-unique solution — 17 is truly the minimum.
"It ain't about how hard you hit. It's about how hard you can get hit and keep moving forward." — Rocky Balboa (Sylvester Stallone)
"It ain't about how hard you hit. It's about how hard you can get hit and keep moving forward." — Rocky Balboa (Sylvester Stallone)