dustking

i found the ans in 30 mins but dont know correct or not?
5 H2 r: y3 ^% D+ c; M6 @1 aans is too long! but concepts are something like that: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。. c% J' |; x! m4 c
seprate 4 groups 3 balls in one group!
0 k  J4 d/ M2 \: Q5 n公仔箱論壇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!
  `9 f7 i; a: g3 S4 b  Qthe last part is 1ball vs 1ball! something like that