🧩 Level 4 - Puzzle #109
📊 Professional
⭐ Hard
📝 78 Steps
🔧 6 Techniques
🎯 Current State
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🔧 Techniques Used
Hidden Single
49×
Pointing/Claiming
14×
Naked Single
6×
ALS-XZ
5×
Skyscraper
2×
Pointing
2×
📋 Solution Steps
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Singles
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Wings
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