🧩 Level 4 - Puzzle #243

📊 Professional ⭐ Hard 📝 75 Steps 🔧 5 Techniques

🎯 Current State

Loading grid...

🔧 Techniques Used

Hidden Single 55×
Pointing/Claiming 11×
Naked Triple
Naked Quad
ALS-XZ

📋 Solution Steps

Loading steps...