PlaySudoku.us
Hard · Puzzle #624
5
7
9
1
7
6
4
8
7
9
4
1
2
9
3
2
3
7
6
9
8
1
5
7
6
8
2
1
4
"In mathematics, the art of proposing a question must be held of higher value than solving it." — Georg Cantor
"In mathematics, the art of proposing a question must be held of higher value than solving it." — Georg Cantor
"In mathematics, the art of proposing a question must be held of higher value than solving it." — Georg Cantor
"In mathematics, the art of proposing a question must be held of higher value than solving it." — Georg Cantor