PlaySudoku.us
Medium · Puzzle #680
6
3
7
9
4
4
1
8
8
9
1
3
2
4
6
6
9
4
1
4
7
3
3
7
8
1
4
1
8
5
2
"Mathematics is the queen of the sciences." — Carl Friedrich Gauss
"Mathematics is the queen of the sciences." — Carl Friedrich Gauss
"You don't play against opponents. You play against the game of basketball." — Bobby Knight
"You don't play against opponents. You play against the game of basketball." — Bobby Knight