PlaySudoku.us
Medium · Puzzle #590
4
5
7
1
3
2
8
3
9
8
4
6
8
9
5
3
6
7
1
5
2
4
5
8
3
6
6
7
8
5
1
1
9
9
4
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