🧩 Level 4 - Puzzle #028

📊 Professional ⭐ Hard 📝 75 Steps 🔧 6 Techniques

🎯 Current State

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🔧 Techniques Used

Hidden Single 53×
Pointing/Claiming 13×
Naked Pair
Naked Quad
XYZ-Wing
Naked Single

📋 Solution Steps

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