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Evil · Puzzle #528
7
9
2
1
9
4
3
4
2
5
1
6
7
8
2
1
9
5
4
3
4
6
3
8
6
1
Techniques used
- Naked Single
- Naked Quad
- Naked Pair
- Pointing Pair
- Forcing Chains
- Hidden Single
- XY-Wing
- Box-Line Reduction
- Finned X-Wing
- XY-Chain
When stuck, try looking at the puzzle from each digit's perspective rather than each cell's perspective.
When stuck, try looking at the puzzle from each digit's perspective rather than each cell's perspective.
"An equation for me has no meaning unless it expresses a thought of God." — Srinivasa Ramanujan
"An equation for me has no meaning unless it expresses a thought of God." — Srinivasa Ramanujan