🧩 Level 4 - Puzzle #285

📊 Professional ⭐ Hard 📝 77 Steps 🔧 7 Techniques

🎯 Current State

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🔧 Techniques Used

Hidden Single 53×
Pointing/Claiming 10×
Naked Triple 6×
XYZ-Wing 4×
Naked Quad 2×
Naked Single 1×
ALS-XZ 1×

📋 Solution Steps

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