PlaySudoku.us
Evil · Puzzle #376
5
9
8
8
7
3
7
1
3
2
8
7
4
3
2
8
3
9
6
2
9
4
7
Techniques used
- Hidden Single
- Naked Single
- Naked Pair
- UR Type 1
- Forcing Chains
- XY-Chain
- XY-Wing
- Naked Quad
- X-Wing
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.
"Study hard what interests you the most in the most undisciplined, irreverent and original manner possible." — Richard Feynman
"Study hard what interests you the most in the most undisciplined, irreverent and original manner possible." — Richard Feynman