🧩 Level 4 - Puzzle #268
📊 Professional
⭐ Hard
📝 81 Steps
🔧 9 Techniques
🎯 Current State
Loading grid...
← Previous
Step 0 / 81
Next →
🔧 Techniques Used
Hidden Single
54×
Pointing/Claiming
11×
Naked Quad
8×
Turbot Fish
2×
Naked Triple
2×
Naked Single
1×
Claiming
1×
ALS-XZ
1×
XYZ-Wing
1×
📋 Solution Steps
All
Singles
Locked
Subsets
Fish
Wings
Chains
Expand All
Collapse All
Loading steps...
← Previous
Level 4 Index
Next →