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Evil · Puzzle #295
8
1
6
1
5
9
7
3
7
1
4
5
8
9
3
7
4
8
1
5
4
3
8
4
1
2
Techniques used
- Hidden Single
- Forcing Chains
- Naked Single
- Naked Pair
- Swordfish
- XY-Wing
"Problems worthy of attack prove their worth by fighting back." — Piet Hein
"Problems worthy of attack prove their worth by fighting back." — Piet Hein
"Do not let what you cannot do interfere with what you can do." — John Wooden
"Do not let what you cannot do interfere with what you can do." — John Wooden