PlaySudoku.us
Hard · Puzzle #394
6
5
4
4
9
5
7
4
3
8
9
3
5
6
8
1
2
4
1
9
4
8
8
6
3
6
7
7
5
6
"Mathematics is the queen of the sciences." — Carl Friedrich Gauss
"Mathematics is the queen of the sciences." — Carl Friedrich Gauss
"The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together." — Carl Sagan
"The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together." — Carl Sagan