🧩 Level 4 - Puzzle #083
📊 Professional
⭐ Hard
📝 71 Steps
🔧 8 Techniques
🎯 Current State
Loading grid...
← Previous
Step 0 / 71
Next →
🔧 Techniques Used
Hidden Single
53×
Pointing/Claiming
6×
XY-Wing
4×
Naked Single
2×
Naked Pair
2×
Turbot Fish
2×
ALS-XZ
1×
Hidden Quad
1×
📋 Solution Steps
All
Singles
Locked
Subsets
Fish
Wings
Chains
Expand All
Collapse All
Loading steps...
← Previous
Level 4 Index
Next →