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

Action Reasoning:
Robot1 needs to move down to tile_2-3 to paint it black, matching the goal state.

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

Action Chosen:
down(robot1, tile_1-3, tile_2-3)
