PlaySudoku.us
Expert · Puzzle #177
5
3
8
1
6
7
2
8
3
4
5
8
5
6
7
9
7
1
4
3
2
1
3
6
4
"Education is the most powerful weapon you can use to change the world." — Nelson Mandela
"Education is the most powerful weapon you can use to change the world." — Nelson Mandela
"Problems worthy of attack prove their worth by fighting back." — Piet Hein
"Problems worthy of attack prove their worth by fighting back." — Piet Hein