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🏛️ Vertical Pillar View
Vertical Order Traversal — Nodes by Horizontal Distance
🎮 Controls
▶ Start Vertical Order
⏭ Step Pillar
↺ Reset
🌳 New Tree
📐 Horizontal Distance Info
Root has HD = 0
Left child: HD - 1
Right child: HD + 1
Sort by HD, then by depth.
🏛️ Vertical Pillars
Click Start to begin...