🧩 Level 4 - Puzzle #027
📊 Professional
⭐ Hard
📝 84 Steps
🔧 10 Techniques
🎯 Current State
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🔧 Techniques Used
Hidden Single
54×
ALS-XZ
7×
Naked Triple
6×
XY-Wing
4×
Naked Quad
3×
2-String Kite
3×
Pointing/Claiming
3×
Turbot Fish
2×
Naked Single
1×
XYZ-Wing
1×
📋 Solution Steps
All
Singles
Locked
Subsets
Fish
Wings
Chains
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