🧩 Level 7 - Puzzle #231
📊 Legend
⭐ Master
📝 173 Steps
🔧 13 Techniques
🎯 Current State
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🔧 Techniques Used
Pointing/Claiming
52×
Hidden Single
51×
X-Wing
20×
Forcing Chain
13×
Naked Pair
12×
ALS-XZ
7×
Locked Candidates
4×
Turbot Fish
4×
Trial & Error
4×
Pointing
3×
Naked Single
1×
Swordfish
1×
Inferred
1×
📋 Solution Steps
All
Singles
Locked
Subsets
Fish
Wings
Chains
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