PlaySudoku.us
Hard · Puzzle #555
9
3
4
6
3
2
5
9
5
3
1
1
8
6
5
2
6
1
5
8
7
4
9
1
5
3
9
7
"The pin is mightier than the sword." — Fred Reinfeld
"The pin is mightier than the sword." — Fred Reinfeld
"The only true wisdom is in knowing you know nothing." — Socrates
"The only true wisdom is in knowing you know nothing." — Socrates