PlaySudoku.us
Medium · Puzzle #536
2
8
9
6
3
9
2
8
7
4
4
7
1
3
2
6
3
4
1
3
9
8
5
7
4
5
7
6
4
5
2
6
4
"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