PlaySudoku.us
Expert · Puzzle #852
7
4
9
6
3
1
5
8
1
4
3
5
9
6
9
7
4
3
5
8
3
1
2
8
5
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.
Scan by digit rather than by cell: find everywhere '7' must go before switching to '8'.
Scan by digit rather than by cell: find everywhere '7' must go before switching to '8'.