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 move left to tile_1-3. This prepares the robot to paint tile_2-4 black in the next step, following the goal pattern and avoiding blocked paths.

New State Description:
- Robot1 is on tile_1-3 holding the color black.- Tile_1-3 is occupied by robot1.- Tile_1-4 is clear.- Tile_1-5 is clear.- Tile_2-5 is painted black and no longer clear.- All other tiles remain clear and unpainted.- The color white is available for switching.

Action Chosen:
left(robot1, tile_1-4, tile_1-3)
