This video, https://www.youtube.com/watch?v=R59mfNbNEeg&index=1&list=PL-BrKY3INkw23t8B6SBFa-z0-czw2y_28, can also be seen at https://www.youtube.com/playlist?list=PL-BrKY3INkw23t8B6SBFa-z0-czw2y_28.