PlaySudoku.us
Evil · Puzzle #913
5
6
9
8
2
3
6
4
2
5
7
8
2
2
7
9
8
8
4
7
4
2
6
1
1
2
Techniques used
- Hidden Single
- Pointing Pair
- Box-Line Reduction
- X-Wing
- XY-Wing
- 2-String Kite
- Forcing Chains
- Pointing Triple
- Naked Pair
- Finned X-Wing
- Naked Single
- Swordfish
- Naked Quad
- W-Wing
- XY-Chain