PlaySudoku.us
Hard · Puzzle #691
7
5
8
6
8
9
6
4
7
5
8
3
2
6
1
2
9
7
5
8
1
7
9
3
3
8
"An equation for me has no meaning unless it expresses a thought of God." — Srinivasa Ramanujan
"An equation for me has no meaning unless it expresses a thought of God." — Srinivasa Ramanujan
"Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding." — William Paul Thurston
"Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding." — William Paul Thurston