PlaySudoku.us
Medium · Puzzle #671
5
2
6
4
8
7
1
2
8
4
3
9
2
3
1
2
9
4
5
2
6
8
3
4
6
8
7
7
3
1
4
1
6
"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