🧩 Level 4 - Puzzle #053

📊 Professional ⭐ Hard 📝 70 Steps 🔧 5 Techniques

🎯 Current State

Loading grid...

🔧 Techniques Used

Hidden Single 51×
Pointing/Claiming 13×
Naked Single 3×
Naked Quad 2×
XY-Wing 1×

📋 Solution Steps

Loading steps...