🧩 Level 4 - Puzzle #173

📊 Professional ⭐ Hard 📝 76 Steps 🔧 7 Techniques

🎯 Current State

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🔧 Techniques Used

Hidden Single 54×
Pointing/Claiming 14×
Naked Quad
Naked Triple
Naked Pair
Naked Single
ALS-XZ

📋 Solution Steps

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