PlaySudoku.us
Hard · Puzzle #66
8
5
1
3
6
5
4
5
3
1
9
6
5
1
1
7
5
8
9
4
2
3
5
2
9
3
7
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