Attempt Number: 4
Error Message: The action paint-up(robot1, tile_0-4, tile_1-4, white) has already been explored.

Action Reasoning:
The robot is currently on tile_1-4, holding a white paint gun. The last action taken was a color change, so the next logical step is to paint the tile directly above the robot. This aligns with the sequence of actions needed to achieve the goal state. Since tile_0-4 is not painted, and the robot is holding the correct color (white) for the alternating pattern, the best action is to use the paint-up action to paint tile_0-4 white.

New State Description:
Tile_0-4 is now painted white. Robot1 remains on tile_1-4, holding a white paint gun.

Action Chosen:
paint-up(robot1, tile_0-4, tile_1-4, white)
