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

Action Reasoning:
We should paint tile_3-3 next with the current color white, as it is directly below the robot's current position. This aligns with the goal of alternating colors and follows the rule of painting the row below first.

New State Description:
- Robot1 is on tile_2-2 and has completed painting tile_3-3 white. - Status of tiles:  - Row 0: tile_0-1, tile_0-2, tile_0-3 are clear.  - Row 1: tile_1-1, tile_1-2, tile_1-3 are clear.  - Row 2: tile_2-1 is clear, tile_2-2 is occupied by robot1, tile_2-3 is clear.  - Row 3: tile_3-1 is painted white, tile_3-2 is painted black, tile_3-3 is painted white.- Available Colors: White and black are available for switching.- Robot1 is holding the color white.

Action Chosen:
paint-down(robot1, tile_3-3, tile_2-2, white)
