Parent State ID: 7
State Depth: 3
Action Taken: (board p2 fast1 n3 0 1)
Action Reasoning: Fast1 on floor 3 has the capacity and should prioritize moving p2 to floor 5, aligning with the goal state.
State Description: - Fast elevator fast0 is at floor 0 with 0/2 passengers.- Fast elevator fast1 is at floor 3 with 1/2 passenger (p2 is on board).- Slow elevator slow0-0 is at floor 3 with 1/1 passenger (p4 is on board).- Passenger p0 is on floor 4.- Passenger p1 is on floor 1.- Passenger p2 is now on board fast1.- Passenger p3 is on floor 4.- Passenger p5 is on floor 5.- Passenger p6 is on floor 2.
Action Path: ['(board p4 slow0-0 n2 0 1)', '(move-up-slow slow0-0 n2 n3)', '(board p2 fast1 n3 0 1)']

successfully verified the action of new state 21 with the path: The last action `(board p2 fast1 n3 0 1)` is valid because all preconditions are satisfied, and the effects are correctly reflected in the current state. 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
