PlaySudoku.us
Evil · Puzzle #57
7
3
4
7
2
3
9
8
6
8
4
7
4
2
1
3
2
6
6
8
9
1
5
Techniques used
- Hidden Single
- Pointing Pair
- Pointing Triple
- Naked Pair
- Naked Quad
- Finned X-Wing
- Naked Single
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.
"Candidates must be mentally prepared for every new game as if it were the last." — Mikhail Botvinnik
"Candidates must be mentally prepared for every new game as if it were the last." — Mikhail Botvinnik