1.This is a live video 2.I took two breaks during the challenge 3.I'm using flash player 4.If you find it inconvenient to check, I have prepared video at 100 times the speed and 1000 times the speed. 5.Because video is over 12 hours long, I can't upload video to youtube 6.hey man，it`s me ，again~~~~~~ I hope you enjoy it：D