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

Action Reasoning:
Robot1 should paint the tile directly below it, tile_3-3, with the color black, which matches the goal state for this tile.

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

Action Chosen:
paint-down(robot1, tile_3-3, tile_2-3, black)
