PlaySudoku.us
Expert · Puzzle #646
6
2
7
4
8
3
5
9
8
1
5
8
1
4
3
9
6
9
5
6
1
7
3
Start with Naked Singles — cells where only one digit can possibly go. They're the easiest wins.
Start with Naked Singles — cells where only one digit can possibly go. They're the easiest wins.
In 2005, Sudoku mania was so intense in the UK that it was credited with boosting pencil sales nationwide.
In 2005, Sudoku mania was so intense in the UK that it was credited with boosting pencil sales nationwide.