🧩 Level 7 - Puzzle #138
📊 Legend
⭐ Master
📝 104 Steps
🔧 12 Techniques
🎯 Current State
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🔧 Techniques Used
Hidden Single
47×
Pointing/Claiming
16×
Naked Pair
13×
Forcing Chain
6×
ALS-XZ
5×
Naked Quad
4×
Trial & Error
4×
Naked Single
2×
Locked Candidates
2×
XYZ-Wing
2×
Inferred
2×
Naked Triple
1×
📋 Solution Steps
All
Singles
Locked
Subsets
Fish
Wings
Chains
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