Parent State ID: 20
State Depth: 5
Action Taken: paint-down(robot1, tile_2-3, tile_1-2, black)
Action Reasoning: Robot1 should paint the tile directly below it to advance towards the goal state, as the robot is currently holding the correct color (black) needed for the next unpainted tile in row 2, which is tile_2-3.
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 occupied by robot1. Tile tile_1-3 is clear. Tile tile_2-1 is clear. Tile tile_2-2 is painted white. Tile tile_2-3 is painted black. Robot1 is on tile_1-2, holding color black. Colors white and black are available for switching.
Action Path: ['right(robot1, tile_0-1, tile_0-2)', 'down(robot1, tile_0-2, tile_1-2)', 'paint-down(robot1, tile_2-2, tile_1-2, white)', 'change-color(robot1, white, black)', 'paint-down(robot1, tile_2-3, tile_1-2, black)']

successfully verified the action of new state 47 with the path: The last action `paint-down(robot1, tile_2-3, tile_1-2, black)` is valid as all preconditions are met, and the effects are correctly reflected in the current state. The natural language description, diagram encoding, and visualization accurately represent the current state after the sequence of actions taken.
