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 is on tile_1-1 and holding black, which is the correct color to paint tile_2-1. However, tile_2-1 is already painted. The next step is to move the robot to a position where it can paint a tile that needs to be painted next. Since tile_1-1 needs to be painted white, the robot should change its color to white.

New State Description:
- Robot Position and Paint:   - Robot1 is on tile_1-1, holding the color white.- Tiles Status:   - Row 0: tile_0-1, tile_0-2, tile_0-3 are clear.  - Row 1: tile_1-1 is occupied by robot1, tile_1-2 is clear, tile_1-3 is clear.  - 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:
change-color(robot1, black, white)
