🧩 Level 4 - Puzzle #320

📊 Professional ⭐ Hard 📝 77 Steps 🔧 5 Techniques

🎯 Current State

Loading grid...

🔧 Techniques Used

Hidden Single 50×
Pointing/Claiming 18×
Naked Pair 4×
ALS-XZ 4×
Naked Single 1×

📋 Solution Steps

Loading steps...