PlaySudoku.us
Hard · Puzzle #581
7
5
2
1
2
9
4
3
6
1
5
2
4
2
9
5
3
3
6
9
4
2
3
8
5
7
9
1
4
5
3
"It's not that I'm so smart, it's just that I stay with problems longer." — Albert Einstein
"It's not that I'm so smart, it's just that I stay with problems longer." — Albert Einstein
"It's not that I'm so smart, it's just that I stay with problems longer." — Albert Einstein
"It's not that I'm so smart, it's just that I stay with problems longer." — Albert Einstein