Attempt Number: 4
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
Passenger p3 at floor 4 needs to reach floor 5. fast1 is available at floor 4 and can take p3 directly to floor 5 efficiently. This reduces steps and the cost by utilizing the fast elevator for a significant floor change.

New State Description:
- fast0: At floor 4 (n4), 0/2 passengers.- fast1: At floor 4 (n4), 1/2 passengers, containing p3.- slow0-0: At floor 2 (n2), 0/1 passengers.- p0: On floor 2 (n2).- p1: On floor 1 (n1).- p2: On floor 5 (n5).- p3: On fast1 at floor 4 (n4).- p4: On floor 4 (n4).- p5: On floor 0 (n0).- p6: On floor 2 (n2).

Action Chosen:
(board p3 fast1 n4 0 1)
