🧩 Level 4 - Puzzle #069

📊 Professional ⭐ Hard 📝 77 Steps 🔧 6 Techniques

🎯 Current State

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🔧 Techniques Used

Hidden Single 52×
Pointing/Claiming 15×
XY-Wing 4×
Naked Single 3×
Naked Pair 2×
Naked Triple 1×

📋 Solution Steps

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