PlaySudoku.us
Hard · Puzzle #228
8
1
9
9
4
3
7
8
3
6
2
4
8
9
8
9
1
5
1
8
5
5
1
9
7
2
"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