PlaySudoku.us
Expert · Puzzle #809
3
8
1
9
6
7
4
9
3
4
1
2
2
3
2
7
6
2
7
5
4
9
8
4
9
7
"Problems worthy of attack prove their worth by fighting back." — Piet Hein
"Problems worthy of attack prove their worth by fighting back." — Piet Hein
"Very little is needed to make a happy life; it is all within yourself, in your way of thinking." — Marcus Aurelius
"Very little is needed to make a happy life; it is all within yourself, in your way of thinking." — Marcus Aurelius