🧩 Level 4 - Puzzle #197

📊 Professional ⭐ Hard 📝 71 Steps 🔧 5 Techniques

🎯 Current State

Loading grid...

🔧 Techniques Used

Hidden Single 52×
Pointing/Claiming 13×
Naked Pair 3×
Naked Triple 2×
Naked Single 1×

📋 Solution Steps

Loading steps...