🧩 Level 7 - Puzzle #190
📊 Legend
⭐ Master
📝 99 Steps
🔧 9 Techniques
🎯 Current State
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🔧 Techniques Used
Hidden Single
56×
Forcing Chain
10×
Naked Pair
8×
X-Wing
8×
Pointing/Claiming
6×
Naked Quad
6×
Locked Candidates
2×
Trial & Error
2×
Inferred
1×
📋 Solution Steps
All
Singles
Locked
Subsets
Fish
Wings
Chains
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