🧩 Level 4 - Puzzle #213
📊 Professional
⭐ Hard
📝 88 Steps
🔧 6 Techniques
🎯 Current State
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🔧 Techniques Used
Hidden Single
52×
Pointing/Claiming
24×
Naked Pair
5×
Naked Triple
4×
Naked Quad
2×
Naked Single
1×
📋 Solution Steps
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Singles
Locked
Subsets
Fish
Wings
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