🧩 Level 4 - Puzzle #156
📊 Professional
⭐ Hard
📝 87 Steps
🔧 6 Techniques
🎯 Current State
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🔧 Techniques Used
Hidden Single
54×
Pointing/Claiming
19×
Naked Pair
8×
Naked Triple
4×
Naked Quad
1×
Naked Single
1×
📋 Solution Steps
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Singles
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Wings
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