dustking

i found the ans in 30 mins but dont know correct or not?
) @# o. f; O7 ?' H, y; w5.39.217.77:8898ans is too long! but concepts are something like that:tvb now,tvbnow,bttvb1 H  [. ]: P# b# j* i+ w
seprate 4 groups 3 balls in one group!
3 ^1 ^; g4 ]  W& Z; }9 g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!5.39.217.77:8898  J+ e) B! i  t1 A, l) A% l! x. C
the last part is 1ball vs 1ball! something like that