7 - https://drive.google.com/file/d/1zU1u683JSCCA5QNmO_wWK7yO2LP09mDu/view?usp=sharing
8 - https://drive.google.com/file/d/157WPCWJ9gqDXUwNtySB3h8tilGWYw0qX/view?usp=sharing
9 - https://drive.google.com/file/d/196PgVOLokOEgOuNRK3bzTInPwacA8pFG/view?usp=sharing