PlaySudoku.us
Hard · Puzzle #444
7
1
5
7
4
5
1
3
1
5
8
7
4
9
1
6
3
5
1
9
3
5
2
7
1
5
7
6
4
1
7
"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