PlaySudoku.us
Evil · Puzzle #459
3
7
9
1
2
6
1
5
5
2
8
4
6
7
6
5
1
1
5
4
7
3
4
8
2
Techniques used
- Naked Single
- Hidden Single
- Pointing Pair
- XY-Chain
- Forcing Chains
- XY-Wing
"Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding." — William Paul Thurston
"Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding." — William Paul Thurston
"A champion is afraid of losing. Everyone else is afraid of winning." — Billie Jean King
"A champion is afraid of losing. Everyone else is afraid of winning." — Billie Jean King