Glad I could help. Archive.org doesn't cache the YT-videos, but it should be possible to look them up by their ids.
https://www.youtube.com/watch?v=lhwa9xxTm-Q
https://www.youtube.com/watch?v=2BrbWjevbao
https://www.youtube.com/watch?v=4p_oa3z1UHs
Glad I could help. Archive.org doesn't cache the YT-videos, but it should be possible to look them up by their ids.