🧩 Level 7 - Puzzle #021
📊 Legend
⭐ Master
📝 94 Steps
🔧 10 Techniques
🎯 Current State
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🔧 Techniques Used
Hidden Single
49×
Pointing/Claiming
30×
Naked Single
3×
Naked Triple
2×
XYZ-Wing
2×
Forcing Chain
2×
Trial & Error
2×
X-Wing
2×
XY-Wing
1×
Inferred
1×
📋 Solution Steps
All
Singles
Locked
Subsets
Fish
Wings
Chains
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