🧩 Level 4 - Puzzle #138
📊 Professional
⭐ Hard
📝 68 Steps
🔧 4 Techniques
🎯 Current State
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🔧 Techniques Used
Hidden Single
53×
Pointing/Claiming
13×
Naked Triple
1×
XY-Wing
1×
📋 Solution Steps
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Singles
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Fish
Wings
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