PlaySudoku.us
Expert · Puzzle #419
6
5
2
7
6
3
5
2
9
4
3
4
8
2
7
2
6
5
7
3
1
9
8
7
1
"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