Ac=]

first,i haven,t say people cannot to surmount 0.20s reaction.  second,my inference is calculate by computer,i haven,t to text by human is my wrong.     i think i haven,t done something that let you to hate me,i saw your first comment said 'primary chicken  inference'    continue to see your  cm , also like 'personal attack'.      why you do that??        i think i haven,t to calculate the 'up hand' time completely.  that's my wrong.