🧩 Level 7 - Puzzle #221
📊 Legend
⭐ Master
📝 118 Steps
🔧 12 Techniques
🎯 Current State
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🔧 Techniques Used
Hidden Single
50×
Pointing/Claiming
37×
Naked Pair
8×
Trial & Error
6×
ALS-XZ
3×
Forcing Chain
3×
Inferred
3×
Naked Single
2×
XY-Wing
2×
Pointing
2×
Turbot Fish
1×
2-String Kite
1×
📋 Solution Steps
All
Singles
Locked
Subsets
Fish
Wings
Chains
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