🧩 Level 4 - Puzzle #377
📊 Professional
⭐ Hard
📝 74 Steps
🔧 8 Techniques
🎯 Current State
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🔧 Techniques Used
Hidden Single
49×
Pointing/Claiming
7×
Naked Single
4×
Naked Triple
4×
ALS-XZ
4×
XYZ-Wing
2×
Naked Pair
2×
2-String Kite
2×
📋 Solution Steps
All
Singles
Locked
Subsets
Fish
Wings
Chains
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