7 - https://drive.google.com/file/d/11aD3ko3ZP7iJSC9JH0WkZediJr0RAlFU/view?usp=sharing
8 - https://drive.google.com/file/d/1GFLU4Llqr1gEYDLRFhslQ6P0y7_fDngs/view?usp=sharing