Intermediate Videos: https://docs.google.com/document/d/1Xg4DOYZlCc0GngLHDu1muqzeFgEBOdUeMWlxzOqolF4/edit
Advanced Videos: https://docs.google.com/document/d/1_wkJ9oPNwKE9ZClJ2NRgnmRlixLqfhM3LyxPE1qbB2s/edit
