🧩 Level 4 - Puzzle #004
📊 Professional
⭐ Hard
📝 66 Steps
🔧 5 Techniques
🎯 Current State
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🔧 Techniques Used
Hidden Single
50×
Pointing/Claiming
5×
X-Wing
4×
Naked Pair
4×
Naked Triple
3×
📋 Solution Steps
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Singles
Locked
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Fish
Wings
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