PlaySudoku.us
Hard · Puzzle #624
5
7
9
1
7
6
4
8
7
9
4
1
2
9
3
2
3
7
6
9
8
1
5
7
6
8
2
1
4
"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
In 2007, a British newspaper published a Sudoku with no unique solution — they had to issue an apology.
In 2007, a British newspaper published a Sudoku with no unique solution — they had to issue an apology.