PlaySudoku.us
Hard · Puzzle #543
9
3
4
2
6
9
1
7
6
5
3
2
6
4
1
9
1
4
7
6
8
7
4
6
9
3
"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