🧩 Level 7 - Puzzle #222
📊 Legend
⭐ Master
📝 143 Steps
🔧 13 Techniques
🎯 Current State
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🔧 Techniques Used
Hidden Single
52×
Pointing/Claiming
27×
Subset Technique
16×
ALS-XZ
12×
X-Wing
9×
Trial & Error
8×
Locked Candidates
5×
Naked Triple
4×
XY-Wing
3×
Forcing Chain
3×
Inferred
2×
Naked Single
1×
2-String Kite
1×
📋 Solution Steps
All
Singles
Locked
Subsets
Fish
Wings
Chains
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