7 - https://drive.google.com/file/d/148_u3AE317YeAU9j6R7_mu1yi2-LwXt6/view?usp=sharing
8 - https://drive.google.com/file/d/1dO_7qSRZB2hboMPnhyyxN00zyif0zg_N/view?usp=sharing