🤖 Start anywhere · 🔌 power each cable once · 🚫 never repeat
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Circuit Courier: One-Stroke Rescue!
Professor Volt’s courier network is jammed! Send Courier Q through every cable exactly once before the robot lab loses power.
👆 Pick a starting hub
🔌 Tap a connected hub
🚫 Never reuse a cable
⚡ Light the whole network
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⭐⭐⭐
MASTER ROUTER
Robot Lab Restored!
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You discovered: EULER TRAILS!
You treated hubs as points and cables as connections, then found one continuous trail that used every connection exactly once. Planning ahead kept your route from getting trapped.