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

Action Reasoning:
Robot1 is currently on tile_1-2 and must perform a valid action. Since tile_2-1 needs to be painted black and is clear, Robot1 should move left to tile_1-1, then paint tile_2-1.

New State Description:
- Robot1 is now on tile_1-1 and is holding the color black.- Tile_0-4 remains clear.- Tile_1-1 is occupied by robot1.- Tile_1-2 is now clear.- Tile_1-3, tile_1-4, tile_1-5 remain clear.- Tile_2-1 is clear.- Tile_2-2 is painted white.- Tile_2-3 is painted black.- Tile_2-4 is painted white.- Tile_2-5 is painted black.- The colors white and black are available for switching.

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