🧩 Level 4 - Puzzle #253

📊 Professional ⭐ Hard 📝 73 Steps 🔧 4 Techniques

🎯 Current State

Loading grid...

🔧 Techniques Used

Hidden Single 54×
Pointing/Claiming 9×
Naked Quad 9×
Naked Single 1×

📋 Solution Steps

Loading steps...