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

Action Reasoning:
The robot should paint the tile directly below its current position since painting is needed to move towards the goal state efficiently.

New State Description:
- tile_0-1: clear- tile_0-2: clear- tile_0-3: clear- tile_1-1: clear- tile_1-2: clear- tile_1-3: clear- tile_2-1: occupied by robot1 holding color white- tile_2-2: clear- tile_2-3: clear- tile_3-1: painted white- tile_3-2: clear- tile_3-3: clear- robot1: on tile_2-1, holding color white- color_white: available- color_black: available

Action Chosen:
paint-down(robot1, tile_3-1, tile_2-1, white)
