PlaySudoku.us
Hard · Puzzle #804
2
5
5
6
1
4
2
6
3
9
5
2
3
8
1
2
8
6
1
2
9
7
1
9
8
4
9
6
"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