Parent State ID: 189
State Depth: 16
Action Taken: left(robot1, tile_1-3, tile_1-2)
Action Reasoning: Robot1 is currently on tile_1-3 and holding white. The next unpainted tile in row 1 is tile_1-2, which needs to be painted black. First, move Robot1 left to tile_1-2 to prepare for painting.
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 painted white. Tile tile_1-2 is occupied by robot1. Tile tile_1-3 is clear. Tile tile_2-1 is painted black. Tile tile_2-2 is painted white. Tile tile_2-3 is painted black. Robot1 is on tile_1-2, holding color white. 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)', 'left(robot1, tile_1-2, tile_1-1)', 'paint-down(robot1, tile_2-1, tile_1-1, black)', 'up(robot1, tile_1-1, tile_0-1)', 'change-color(robot1, black, white)', 'paint-down(robot1, tile_1-1, tile_0-1, white)', 'right(robot1, tile_0-1, tile_0-2)', 'right(robot1, tile_0-2, tile_0-3)', 'down(robot1, tile_0-3, tile_1-3)', 'left(robot1, tile_1-3, tile_1-2)']

successfully verified the action of new state 208 with the path: The last action `left(robot1, tile_1-3, tile_1-2)` is valid as all preconditions are met, and the effects are correctly reflected in the current state. The action logically moves the robot closer to achieving the goal state. The natural language and diagram encoding descriptions are accurate, and the visualization correctly represents the current state.

INACTIVE REASON: Pruned in beam search
