🧩 Level 7 - Puzzle #237
📊 Legend
⭐ Master
📝 174 Steps
🔧 11 Techniques
🎯 Current State
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🔧 Techniques Used
Hidden Single
49×
Subset Technique
46×
Pointing/Claiming
43×
Forcing Chain
10×
Trial & Error
8×
Naked Single
5×
Naked Pair
4×
Naked Triple
3×
Naked Quad
3×
XY-Wing
2×
Inferred
1×
📋 Solution Steps
All
Singles
Locked
Subsets
Fish
Wings
Chains
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