🧩 Level 4 - Puzzle #071
📊 Professional
⭐ Hard
📝 88 Steps
🔧 4 Techniques
🎯 Current State
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🔧 Techniques Used
Hidden Single
53×
Pointing/Claiming
29×
Naked Pair
4×
Naked Single
2×
📋 Solution Steps
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Singles
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Fish
Wings
Chains
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