🧩 Level 4 - Puzzle #147
📊 Professional
⭐ Hard
📝 73 Steps
🔧 4 Techniques
🎯 Current State
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🔧 Techniques Used
Hidden Single
55×
Pointing/Claiming
8×
Naked Triple
8×
Naked Pair
2×
📋 Solution Steps
All
Singles
Locked
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Fish
Wings
Chains
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