PlaySudoku.us
Expert · Puzzle #617
4
6
9
5
9
2
3
7
7
1
2
4
2
5
9
5
6
4
2
8
5
7
3
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