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

Action Reasoning:
The next necessary step is to paint down since after moving up, painting is allowed. The robot should paint tile_1-3 with white to match the goal state.

New State Description:
Tile tile_0-1 is clear. Tile tile_0-2 is clear. Tile tile_0-3 is occupied by robot1 and clear. Tile tile_1-1 is clear. Tile tile_1-2 is clear. Tile tile_1-3 is painted white. 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_0-3, holding color white. Colors white and black are available for switching.

Action Chosen:
paint-down(robot1, tile_1-3, tile_0-3, white)
