Parent State ID: 39
Action Taken: right(robot1, tile_1-3, tile_1-4)
Action Reasoning: The last action taken was "paint-up," which means the next step should be to move the robot horizontally if there are unpainted tiles in the row above. Since the robot is currently at tile_1-3 and the tile above it, tile_0-3, is painted, the robot should move to the right to tile_1-4. This will position the robot to paint the next unpainted tile in the row above, tile_0-4, which aligns with the goal state pattern.
State Description: Robot1 moves from tile_1-3 to tile_1-4. Tile_1-3 becomes clear, and tile_1-4 is now occupied by Robot1, which is holding black paint.
Action Path: ['left(robot1, tile_1-4, tile_1-3)', 'left(robot1, tile_1-3, tile_1-2)', 'left(robot1, tile_1-2, tile_1-1)', 'change-color(robot1, white, black)', 'paint-up(robot1, tile_0-1, tile_1-1, black)', 'right(robot1, tile_1-1, tile_1-2)', 'paint-up(robot1, tile_0-2, tile_1-2, black)', 'right(robot1, tile_1-2, tile_1-3)', 'paint-up(robot1, tile_0-3, tile_1-3, black)', 'right(robot1, tile_1-3, tile_1-4)']

INACTIVE REASON: Pruned in beam search
