PlaySudoku.us
Hard · Puzzle #147
3
9
1
6
7
2
4
8
3
7
6
4
2
8
3
7
9
2
7
1
5
6
3
7
1
2
9
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