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

Action Reasoning:
To proceed towards the goal, we need to fulfill the requirement for painting tile_1-2 black. Since robot1 is currently holding black and is directly above tile_2-2 which is already painted, moving left is necessary to position the robot correctly for a future paint action.

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. 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. Robot1 is on tile_1-2, holding color black. Colors white and black are available for switching.

Action Chosen:
left(robot1, tile_1-3, tile_1-2)
