🧩 Level 4 - Puzzle #397
📊 Professional
⭐ Hard
📝 79 Steps
🔧 5 Techniques
🎯 Current State
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🔧 Techniques Used
Hidden Single
54×
Pointing/Claiming
14×
Naked Triple
6×
Naked Pair
4×
Naked Quad
1×
📋 Solution Steps
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