https:/ /m.youtube.com/watch? v=YrXk2buqsgg&pp=ygUeQ29tcGxleCBudW1iZXJzINC80YsgeGkg0LQtdC6

https:/ /m.youtube.com/watch? v=FRyPMbIepto&pp=ygUnQ29tcGxleCBudW1iZXJzINGB0LvQvtCy0L3QviDQsNC90LPQtdC7

Well, that's all my authority.