PlaySudoku.us
Hard · Puzzle #521
7
8
4
8
3
1
8
5
2
9
4
3
2
5
1
4
6
7
3
8
6
1
9
5
8
8
1
3
9
"An investment in knowledge pays the best interest." — Benjamin Franklin
"An investment in knowledge pays the best interest." — Benjamin Franklin
"An investment in knowledge pays the best interest." — Benjamin Franklin
"An investment in knowledge pays the best interest." — Benjamin Franklin