7 - https://drive.google.com/file/d/1SQ6Tv0cccVfdK-MwXT_X4RzSravKvyKO/view?usp=sharing
8 - https://drive.google.com/file/d/1vPpteflqiMzB_SyhqfkOAIWLcHQWiGxn/view?usp=sharing