Did You Know?

In 2005, Sudoku mania was so intense in the UK that it was credited with boosting pencil sales nationwide.

Did You Know?
✓ Completed! 👍
4
8
3
3
8
1
9
6
2
2
4
5
9
9
8
1
7
8
6
1
7
9
3
4
1
3
Pro Tip

Scan by digit rather than by cell: find everywhere '7' must go before switching to '8'.

Pro Tip