Parent State ID: 36
State Depth: 6
Action Taken: (board p5 fast1 n5 0 1)
Action Reasoning: Passenger p5 at floor 5 needs to reach floor 0. Fast1 is already at floor 5 and can take passengers to any floor. Boarding p5 is efficient as it uses fast1 while minimizing unnecessary elevator movement.
State Description: - fast0: At floor 2 (n2), 0/2 passengers.- fast1: At floor 5 (n5), 1/2 passengers (p5 onboard).- slow0-0: At floor 2 (n2), 0/1 passengers.- p0: On floor 4 (n4).- p1: On floor 1 (n1).- p2: On floor 5 (n5).- p3: On floor 4 (n4).- p4: On floor 2 (n2).- p5: Onboard fast1 at floor 5.- p6: On floor 2 (n2).
Action Path: ['(board p2 fast1 n3 0 1)', '(move-up-fast fast1 n3 n5)', '(move-up-fast fast0 n0 n1)', '(leave p2 fast1 n5 1 0)', '(move-up-fast fast0 n1 n2)', '(board p5 fast1 n5 0 1)']

successfully verified the action of new state 54 with the path: The last action `(board p5 fast1 n5 0 1)` is valid because all preconditions are satisfied: `fast1` is at floor `n5`, `p5` is at floor `n5`, and `fast1` has capacity to board `p5`. The effects are correctly reflected in the current state, with `p5` onboard `fast1` and the passenger count updated. The natural language description, diagram encoding, and visualization of the current state are accurate and consistent with the sequence of actions taken.

INACTIVE REASON: Pruned in beam search
