Attempt Number: 5
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
To progress towards the goal state, the robot should paint tile_2-2. Since it's already painted, moving to the right to position the robot over tile_1-3 is the best course, thus enabling painting tile_2-3 black next.

New State Description:
Tile tile_0-1 is clear. Tile tile_0-2 is clear. Tile tile_0-3 is clear. Tile tile_1-1 is clear. Tile tile_1-2 is clear. Tile tile_1-3 is occupied by robot1. Tile tile_2-1 is clear. Tile tile_2-2 is painted white. Tile tile_2-3 is painted black. Robot1 is on tile_1-3, holding color black. Colors white and black are available for switching.

Action Chosen:
right(robot1, tile_1-2, tile_1-3)
