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Evil · Puzzle #866
2
5
4
5
1
6
9
8
3
8
4
9
7
2
4
2
1
1
7
3
2
8
9
6
Techniques used
- Naked Single
- Hidden Single
- Naked Pair
- Pointing Pair
- XY-Wing
- W-Wing
- XY-Chain
- Forcing Chains
- X-Wing
"The more difficult the victory, the greater the happiness in winning." — Pelé
"The more difficult the victory, the greater the happiness in winning." — Pelé
When you find a naked pair, check if those same two cells also form a pair in their shared column.
When you find a naked pair, check if those same two cells also form a pair in their shared column.