🧩 Level 7 - Puzzle #139

📊 Legend ⭐ Master 📝 139 Steps 🔧 16 Techniques

🎯 Current State

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🔧 Techniques Used

Hidden Single 53×
Pointing/Claiming 46×
Subset Technique
Trial & Error
Forcing Chain
Naked Triple
Swordfish
X-Wing
ALS-XZ
Naked Single
Inferred
Naked Quad
Hidden Triple
XY-Wing
Hidden Pair
Locked Candidates

📋 Solution Steps

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