🧩 Level 4 - Puzzle #042
📊 Professional
⭐ Hard
📝 87 Steps
🔧 6 Techniques
🎯 Current State
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🔧 Techniques Used
Hidden Single
55×
Pointing/Claiming
12×
Naked Triple
11×
ALS-XZ
4×
Swordfish
3×
Naked Quad
2×
📋 Solution Steps
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Singles
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