PlaySudoku.us
Easy · Puzzle #670
8
1
2
5
4
4
7
6
8
5
9
1
3
2
5
1
6
3
7
8
7
8
3
6
8
7
6
5
1
4
6
1
4
8
2
8
3
1
9
4
9
3
4
7
5
8
1
5
2
3
7
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 is not knowledge, but the act of learning, not possession but the act of getting there, which grants the greatest enjoyment." — Carl Friedrich Gauss
"It is not knowledge, but the act of learning, not possession but the act of getting there, which grants the greatest enjoyment." — Carl Friedrich Gauss