Parent State ID: 103
State Depth: 10
Action Taken: left(robot1, tile_1-2, tile_1-1)
Action Reasoning: The robot is currently on tile_1-2 and holding black. The next tile to paint is tile_2-1, which needs to be black. The robot should move left to tile_1-1 to position itself above tile_2-1.
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 occupied by robot1. 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 painted black. Robot1 is on tile_1-1, 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)', 'right(robot1, tile_1-2, tile_1-3)', 'left(robot1, tile_1-3, tile_1-2)', 'right(robot1, tile_1-2, tile_1-3)', 'left(robot1, tile_1-3, tile_1-2)', 'left(robot1, tile_1-2, tile_1-1)']

successfully verified the action of new state 124 with the path: The last action `left(robot1, tile_1-2, tile_1-1)` is valid as all preconditions are met, and the effects are correctly reflected in the current state. The natural language description and visualization accurately represent the state after the sequence of actions taken.

INACTIVE REASON: Pruned in beam search
