Attempt Number: 6
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
The robot needs to paint tile_1-2 black, which is directly ahead. Moving down will allow the robot to position itself to paint this tile correctly, adhering to the goal's color requirements.

New State Description:
Tile tile_0-1 is clear. Tile tile_0-2 is clear. Tile tile_0-3 is clear. Tile tile_1-1 is painted white. Tile tile_1-2 is occupied by robot1, holding color black. Tile tile_1-3 is clear. Tile tile_2-1 is painted black. Tile tile_2-2 is painted white. Tile tile_2-3 is painted black. Colors white and black are available for switching.

Action Chosen:
down(robot1, tile_0-2, tile_1-2)
