🧩 Level 4 - Puzzle #207

📊 Professional ⭐ Hard 📝 80 Steps 🔧 5 Techniques

🎯 Current State

Loading grid...

🔧 Techniques Used

Hidden Single 50×
Pointing/Claiming 21×
Naked Pair 6×
Naked Single 2×
Naked Triple 1×

📋 Solution Steps

Loading steps...