🧩 Level 4 - Puzzle #024
📊 Professional
⭐ Hard
📝 79 Steps
🔧 5 Techniques
🎯 Current State
Loading grid...
← Previous
Step 0 / 79
Next →
🔧 Techniques Used
Hidden Single
55×
Pointing/Claiming
14×
Naked Pair
4×
Naked Triple
3×
ALS-XZ
3×
📋 Solution Steps
All
Singles
Locked
Subsets
Fish
Wings
Chains
Expand All
Collapse All
Loading steps...
← Previous
Level 4 Index
Next →