I know but how do you explain the smilling he did in his base while 15 was punching him he really didnt look to be serious....and i doubt that they are that mcuh stronger the 20 and 19 maybe a litlle bit ......seing how they where beaten by one punch and the SSJ had still plenty of energy left to fight super 13
-When it comes to trunks he did it easilly
YouTube - dbz movie 7 trunks kill android 14