Current State ID: 134
Current State Description: - fast0: Fast elevator at floor 1 (n1), 1/2 passengers, boarded with p4.- fast1: Fast elevator at floor 2 (n2), 0/2 passengers, available.- slow0-0: Slow elevator at floor 1 (n1), 0/1 passengers, available.- slow1-0: Slow elevator at floor 3 (n3), 0/1 passengers, available.- p0: On floor 1 (n1), not on any elevator.- p1: On floor 3 (n3), not on any elevator.- p2: On floor 2 (n2), not on any elevator.- p3: On floor 4 (n4), not on any elevator.- p4: On fast0 at floor 1 (n1).- p5: On floor 2 (n2), not on any elevator.

Child State ID: 147
Action Taken: move-up-fast(fast0, n1, n3)
State Description: - fast0: Fast elevator at floor 3 (n3), 1/2 passengers, boarded with p4.- fast1: Fast elevator at floor 2 (n2), 0/2 passengers, available.- slow0-0: Slow elevator at floor 1 (n1), 0/1 passengers, available.- slow1-0: Slow elevator at floor 3 (n3), 0/1 passengers, available.- p0: On floor 1 (n1), not on any elevator.- p1: On floor 3 (n3), not on any elevator.- p2: On floor 2 (n2), not on any elevator.- p3: On floor 4 (n4), not on any elevator.- p4: On fast0 at floor 3 (n3).- p5: On floor 2 (n2), not on any elevator.

