PlaySudoku.us
Hard · Puzzle #422
7
2
1
2
5
6
6
3
5
2
8
7
9
3
9
4
2
9
6
2
1
8
6
9
4
3
"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