🧩 Level 7 - Puzzle #197

📊 Legend ⭐ Master 📝 159 Steps 🔧 13 Techniques

🎯 Current State

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🔧 Techniques Used

Hidden Single 51×
Naked Pair 46×
Subset Technique 14×
ALS-XZ 13×
Trial & Error 10×
Locked Candidates 6×
XY-Wing 6×
Forcing Chain 4×
Inferred 4×
2-String Kite 2×
Hidden Pair 1×
Swordfish 1×
Pointing/Claiming 1×

📋 Solution Steps

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