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

Action Reasoning:
The robot should move down to reach the bottom row first, where painting can begin as per the constraints.

New State Description:
Tile_0-1: clear.  Tile_0-2: clear.  Tile_0-3: clear.  Tile_1-1: occupied by robot1 holding color white.  Tile_1-2: clear.  Tile_1-3: clear.  Tile_2-1: clear.  Tile_2-2: clear.  Tile_2-3: clear.  robot1: on tile_1-1, holding color white.  color_white: available.  color_black: available.

Action Chosen:
down(robot1, tile_0-1, tile_1-1)
