Current State ID: 3
Current State Description: - **fast0** is at floor 0 (n0) with 0/2 passengers capacity.- **fast1** moved up to floor 4 (n4) with 0/2 capacity, ready to pick up passengers.- **slow0-0** remains at floor 2 (n2) with 0/1 capacity.- Passengers:     - **p0** and **p3** are on floor 4 (n4).    - **p1** is on floor 1 (n1).    - **p6** and **p4** are on floor 2 (n2).    - **p2** is on floor 3 (n3).    - **p5** is on floor 5 (n5).

Child State ID: 11
Action Taken: (move-up-fast fast1 n4 n5)
State Description: - **fast0** is at floor 0 (n0) with 0/2 passengers capacity.- **fast1** is now at floor 5 (n5) with 0/2 passengers capacity, ready to pick up passengers.- **slow0-0** remains at floor 2 (n2) with 0/1 capacity.- Passengers:  - **p0** is on floor 4 (n4).  - **p1** is on floor 1 (n1).  - **p6** and **p4** are on floor 2 (n2).  - **p2** is on floor 3 (n3).  - **p3** is on floor 4 (n4).  - **p5** is on floor 5 (n5).

Child State ID: 12
Action Taken: (board p0 fast1 n4 0 1)
State Description: - fast0 is at floor 0 (n0) with 0/2 passengers capacity.- fast1 is on floor 4 (n4) with p0 onboard, holding 1/2 passengers.- slow0-0 remains at floor 2 (n2) with 0/1 capacity.- Passengers:  - p0 is onboard fast1.  - p3 is on floor 4 (n4).  - p1 is on floor 1 (n1).  - p6 and p4 are on floor 2 (n2).  - p2 is on floor 3 (n3).  - p5 is on floor 5 (n5).

