🧩 Level 4 - Puzzle #136

📊 Professional ⭐ Hard 📝 78 Steps 🔧 7 Techniques

🎯 Current State

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🔧 Techniques Used

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

📋 Solution Steps

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