Attempt Number: 3
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
The robot is currently on tile_0-3 and holding white. The next step is to move the robot down to row 1, as the tiles below need to be painted, starting from the last row. Moving down will allow the robot to eventually reach and paint the required tiles in row 1.

New State Description:
- Robot1 is on tile_1-3, holding the color white.- Tiles Status:  - Row 0: tile_0-1 is clear, tile_0-2 is clear, tile_0-3 is clear.  - Row 1: tile_1-1 is clear, tile_1-2 is clear, tile_1-3 is occupied by robot1.  - Row 2: tile_2-1 is painted black, tile_2-2 is painted white, tile_2-3 is painted black.  - 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.

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