🧩 Level 4 - Puzzle #077
📊 Professional
⭐ Hard
📝 83 Steps
🔧 6 Techniques
🎯 Current State
Loading grid...
← Previous
Step 0 / 83
Next →
🔧 Techniques Used
Hidden Single
46×
Pointing/Claiming
21×
Naked Single
9×
Naked Pair
3×
ALS-XZ
3×
Naked Triple
1×
📋 Solution Steps
All
Singles
Locked
Subsets
Fish
Wings
Chains
Expand All
Collapse All
Loading steps...
← Previous
Level 4 Index
Next →