You can find JY doing LR in PT69 S1+S4, and PT71 S1+S3. And Jon also had an epic timed LR section video, which took him only 19 minutes. https://www.youtube.com/watch?v=F4vY0KpviJw&index=6&list=LLaknkMoRl59wmjfBX67-nFg
@sunnyp89 - the answers above nail it: more "kinds of lamps" does not explain "more lamps"
And please remove the verbatim question.
Maybe @"Dillon A. Wright" can help with editing out the copyrighted content. The question is PT36, S1, Q23