This video, https://www.youtube.com/watch?v=palj-IxPZiM&index=3&list=PLh3NmYvDqS1e-YcTA1looWe6Wiq_3J4ZT, can also be seen at https://www.youtube.com/playlist?list=PLh3NmYvDqS1e-YcTA1looWe6Wiq_3J4ZT.