PlaySudoku.us
Easy · Puzzle #242
8
6
9
3
4
5
7
7
2
8
9
1
6
4
5
7
6
2
8
3
1
7
9
5
4
8
2
3
5
2
8
9
7
6
8
3
2
7
4
5
3
6
8
6
2
1
4
8
1
7
4
"What is a proof? It is a demonstration that a statement is necessarily true — a guarantee that no exception can exist." — Henri Poincaré
"What is a proof? It is a demonstration that a statement is necessarily true — a guarantee that no exception can exist." — Henri Poincaré
Mathematical researchers have shown that the minimum number of givens (17) applies uniquely to the standard 9×9 format.
Mathematical researchers have shown that the minimum number of givens (17) applies uniquely to the standard 9×9 format.