🧩 Level 7 - Puzzle #277
📊 Legend
⭐ Master
📝 129 Steps
🔧 13 Techniques
🎯 Current State
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🔧 Techniques Used
Hidden Single
50×
Pointing/Claiming
29×
ALS-XZ
10×
Subset Technique
10×
XY-Wing
6×
Forcing Chain
6×
Naked Pair
5×
Locked Candidates
3×
Naked Single
3×
Skyscraper
2×
Turbot Fish
2×
Trial & Error
2×
Inferred
1×
📋 Solution Steps
All
Singles
Locked
Subsets
Fish
Wings
Chains
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