Attempt Number: 2
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
The robot should move to the right to tile_1-2 to paint the next required tile in row 2. This aligns with the goal of painting all tiles in row 2 before moving up.

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

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