🧩 Level 4 - Puzzle #128

📊 Professional ⭐ Hard 📝 68 Steps 🔧 7 Techniques

🎯 Current State

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🔧 Techniques Used

Hidden Single 51×
Pointing/Claiming 6×
Naked Quad 3×
Naked Single 2×
Naked Triple 2×
XYZ-Wing 2×
Swordfish 2×

📋 Solution Steps

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