PlaySudoku.us
Medium · Puzzle #491
5
9
4
3
2
7
6
8
5
1
2
1
7
5
2
8
9
4
5
2
8
3
1
7
4
2
1
5
8
7
4
6
1
3
6
8
9
"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