🧩 Level 4 - Puzzle #170
📊 Professional
⭐ Hard
📝 76 Steps
🔧 7 Techniques
🎯 Current State
Loading grid...
← Previous
Step 0 / 76
Next →
🔧 Techniques Used
Hidden Single
51×
Pointing/Claiming
11×
Naked Triple
4×
XYZ-Wing
4×
ALS-XZ
3×
Naked Single
2×
2-String Kite
1×
📋 Solution Steps
All
Singles
Locked
Subsets
Fish
Wings
Chains
Expand All
Collapse All
Loading steps...
← Previous
Level 4 Index
Next →