Current State ID: 3
Current State Description: - Fast0 is at floor 0 with 0 passengers (max capacity 2).- Fast1 is at floor 3 with 1 passenger (max capacity 2).- Slow0-0 is at floor 1 with 0 passengers (max capacity 1).- Slow1-0 is at floor 3 with 0 passengers (max capacity 1).- Passenger p0 is on floor 1.- Passenger p1 is on floor 1.- Passenger p2 is on floor 4.- Passenger p3 is on floor 4.- Passenger p4 is on floor 1.- Passenger p5 is aboard fast1.- Travel cost is still 0 as no elevator has moved yet.

Child State ID: 8
Action Taken: move-down-fast(fast1, n3, n2)
State Description: - Fast0 is at floor 0 with 0 passengers (max capacity 2).- Fast1 is at floor 2 with 1 passenger (p5) (max capacity 2).- Slow0-0 is at floor 1 with 0 passengers (max capacity 1).- Slow1-0 is at floor 3 with 0 passengers (max capacity 1).- Passenger p0 is on floor 1.- Passenger p1 is on floor 1.- Passenger p2 is on floor 4.- Passenger p3 is on floor 4.- Passenger p4 is on floor 1.- Passenger p5 is aboard fast1.- Travel cost is 4 units.

Child State ID: 9
Action Taken: move-up-fast(fast0, n0, n4)
State Description: - Fast0 is now at floor 4 with 0 passengers (max capacity 2).- Fast1 is at floor 3 with 1 passenger (max capacity 2, with p5 aboard).- Slow0-0 remains at floor 1 with 0 passengers (max capacity 1).- Slow1-0 stays at floor 3 with 0 passengers (max capacity 1).- Passenger p0 is on floor 1.- Passenger p1 is on floor 1.- Passenger p2 is on floor 4.- Passenger p3 is on floor 4.- Passenger p4 is on floor 1.- Passenger p5 is aboard fast1.- Travel cost is 10 as fast0 moved directly from n0 to n4.

