🧩 Level 4 - Puzzle #176

📊 Professional ⭐ Hard 📝 79 Steps 🔧 6 Techniques

🎯 Current State

Loading grid...

🔧 Techniques Used

Hidden Single 50×
Pointing/Claiming 16×
Naked Pair 6×
Naked Triple 3×
Naked Single 2×
Naked Quad 2×

📋 Solution Steps

Loading steps...