PlaySudoku.us
Evil · Puzzle #50
5
4
7
5
3
8
9
1
6
8
2
5
7
3
6
4
3
1
8
9
5
7
4
Techniques used
- Naked Single
- Hidden Single
- Naked Pair
- Forcing Chains
- W-Wing
- XY-Chain
- XY-Wing
"The mind is not a vessel to be filled, but a fire to be kindled." — Plutarch
"The mind is not a vessel to be filled, but a fire to be kindled." — Plutarch
Sudoku became a global phenomenon in 2004 after The Times of London started publishing it daily.
Sudoku became a global phenomenon in 2004 after The Times of London started publishing it daily.