Current State ID: 9
Current State Description: Robot1 is at tile_1-0, holding the black paint gun. Tile_1-0 is occupied by the robot, and tile_1-1 is clear.

Child State ID: 17
Action Taken: paint-up(robot1, tile_0-0, tile_1-0, black)
State Description: Tile_0-0 is now painted black. Robot1 remains at tile_1-0, holding the black paint gun. Tile_1-0 is still occupied by the robot.

Child State ID: 18
Action Taken: change-color(robot1, black, white)
State Description: Robot1 remains at tile_1-0 but now holds the white paint gun instead of black. The tile_1-0 is still occupied by the robot, and tile_1-1 remains clear.

