Bus Traffic Fever Level 172

Initial board state showing colored buses, passenger color chains arranged in a loop, and six parking spaces available at the top.

Dispatch the green bus into the first parking slot to collect matching green passengers and clear the space.

Dispatch the blue bus into the next parking slot to collect matching blue passengers.

Dispatch the yellow bus to collect available yellow passengers and clear parking slots for incoming traffic.

Dispatch the brown bus into the parking area to clear the corresponding brown passenger group.

Dispatch the green bus to board the newly aligned green passengers and free up parking space.

Dispatch the final pink and orange buses to collect the remaining passengers and successfully clear the level.