PlaySudoku.us
Easy · Puzzle #868
5
6
7
2
8
3
9
3
8
7
6
9
2
5
9
4
3
5
8
6
8
7
3
4
7
3
8
2
9
5
4
3
9
1
2
8
5
9
8
3
2
1
4
9
7
5
8
"To ask the right question is harder than to answer it." — Georg Cantor
"To ask the right question is harder than to answer it." — Georg Cantor
"Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country." — David Hilbert
"Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country." — David Hilbert