PlaySudoku.us
Hard · Puzzle #426
7
4
6
2
8
1
3
5
2
9
4
1
3
9
3
2
4
9
7
6
7
5
6
1
8
3
9
"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