PlaySudoku.us
Hard · Puzzle #474
8
6
7
1
3
7
6
9
6
3
1
6
8
2
1
9
4
5
2
9
4
8
5
3
8
9
"Our greatest glory is not in never falling, but in rising every time we fall." — Confucius
"Our greatest glory is not in never falling, but in rising every time we fall." — Confucius
"What is a proof? It is a demonstration that a statement is necessarily true — a guarantee that no exception can exist." — Henri Poincaré
"What is a proof? It is a demonstration that a statement is necessarily true — a guarantee that no exception can exist." — Henri Poincaré