🧩 Level 4 - Puzzle #222

📊 Professional ⭐ Hard 📝 78 Steps 🔧 8 Techniques

🎯 Current State

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🔧 Techniques Used

Hidden Single 53×
Pointing/Claiming 12×
Naked Triple 3×
XY-Wing 3×
Naked Quad 2×
Naked Pair 2×
ALS-XZ 2×
Naked Single 1×

📋 Solution Steps

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