🧩 Level 7 - Puzzle #172
📊 Legend
⭐ Master
📝 143 Steps
🔧 12 Techniques
🎯 Current State
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🔧 Techniques Used
Hidden Single
47×
Pointing/Claiming
42×
Forcing Chain
23×
Naked Triple
7×
Trial & Error
6×
Swordfish
6×
Naked Single
4×
ALS-XZ
3×
Inferred
2×
Naked Quad
1×
Naked Pair
1×
Locked Candidates
1×
📋 Solution Steps
All
Singles
Locked
Subsets
Fish
Wings
Chains
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