🧩 Level 4 - Puzzle #228

📊 Professional ⭐ Hard 📝 68 Steps 🔧 5 Techniques

🎯 Current State

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🔧 Techniques Used

Hidden Single 48×
Pointing/Claiming 8×
Naked Single 5×
Naked Pair 5×
Naked Triple 2×

📋 Solution Steps

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