🧩 Level 7 - Puzzle #257
📊 Legend
⭐ Master
📝 119 Steps
🔧 8 Techniques
🎯 Current State
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🔧 Techniques Used
Hidden Single
52×
Pointing/Claiming
40×
ALS-XZ
7×
Subset Technique
7×
Trial & Error
6×
XY-Wing
3×
Naked Pair
2×
Inferred
2×
📋 Solution Steps
All
Singles
Locked
Subsets
Fish
Wings
Chains
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