dustking

i found the ans in 30 mins but dont know correct or not?公仔箱論壇% I3 @# |' _$ T3 a5 g
ans is too long! but concepts are something like that:
. F2 f& T/ i9 B- \3 _TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。seprate 4 groups 3 balls in one group! 8 M  `& L9 ^8 v5 l. F2 }) h: R" ]
the important part is the 2nd times which need to find out the fake ball is heavier or lighter by use the normal ball that u find at the first time!/ f( F' ]% x/ \* G; P/ q% ]
the last part is 1ball vs 1ball! something like that