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

Action Reasoning:
The robot should paint tile_1-1 below it white next, as it matches the goal state color, and the robot is already holding the correct color.

New State Description:
- Robot Position and Paint:    - Robot1 is on tile_2-1, holding the color white.  - Tiles Status:    - Row 0: tile_0-1, tile_0-2, tile_0-3 are clear.    - Row 1: tile_1-1 is painted white, tile_1-2, tile_1-3 are clear.    - Row 2: tile_2-1 is occupied by robot1, tile_2-2 is clear, tile_2-3 is clear.    - Row 3: tile_3-1 is painted white, tile_3-2 is painted black, tile_3-3 is painted white.- Available Colors:    - White and black are available for switching.

Action Chosen:
paint-down(robot1, tile_1-1, tile_2-1, white)
