PlaySudoku.us
Medium · Puzzle #439
8
7
5
9
4
4
7
6
1
2
1
6
9
2
3
4
8
5
1
2
1
5
3
6
1
4
9
4
4
5
7
1
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