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

Action Reasoning:
Since tile_2-4 is already painted, the robot should focus on painting tile_2-2, which is the next clear tile below tile_1-2. Robot1 should move left to tile_1-2 and change color to black to match the required color for tile_2-1 before painting down.

New State Description:
- Robot1 is on tile_1-3 and is holding the color white.- Tile_0-4 is clear.- Tile_1-3 is occupied by robot1.- Tile_1-4 is clear.- Tile_1-5 is clear.- Tile_2-2 is painted white and is no longer clear.- Tile_2-3 is painted black and is no longer clear.- Tile_2-4 is painted white and is no longer clear.- Tile_2-5 is painted black and is no longer clear.- Tile_2-1 remains clear.- Tile_0-1, tile_0-2, tile_0-3, tile_0-5, tile_1-1, tile_1-2, and tile_2-1 remain clear and unpainted.- Both colors, white and black, are available for switching.

Action Chosen:
left(robot1, tile_1-4, tile_1-3)
