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

Action Reasoning:
Since tile_2-1 is clear and needs to be painted white, robot1 can move left and then paint down to accurately match the goal state.

New State Description:
- Robot1 is on tile_1-1, holding the color white.- Row 0: tile_0-1, tile_0-2, tile_0-3 are clear.- Row 1: tile_1-1 is occupied by robot1, tile_1-2 is clear, tile_1-3 is clear.- Row 2: tile_2-1 is clear, tile_2-2 is painted white, tile_2-3 is painted black.- Row 3: tile_3-1 is painted white, tile_3-2 is painted black, tile_3-3 is painted white.- White and black paints are available.

Action Chosen:
left(robot1, tile_1-2, tile_1-1)
