PlaySudoku.us
Expert · Puzzle #126
8
7
9
3
4
7
9
5
3
1
8
2
6
9
3
2
9
3
5
9
5
6
1
2
Techniques used
- Hidden Single
- Naked Single
- Naked Quad
- Pointing Triple
- Pointing Pair
- XY-Wing
- Box-Line Reduction
- XY-Chain
"Mathematics, rightly viewed, possesses not only truth, but supreme beauty." — Bertrand Russell
"Mathematics, rightly viewed, possesses not only truth, but supreme beauty." — Bertrand Russell
"Chess is the art of analysis." — Mikhail Botvinnik
"Chess is the art of analysis." — Mikhail Botvinnik