dustking

i found the ans in 30 mins but dont know correct or not?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。! X: V- r3 T! X& |! w2 @3 R
ans is too long! but concepts are something like that:: l) x( X; U! [4 P, t
seprate 4 groups 3 balls in one group! 5.39.217.77* c! `9 Z3 b1 M1 k. ?. t- W
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!公仔箱論壇& Z# Q0 ~3 M# X9 u& D) P5 V" l7 A
the last part is 1ball vs 1ball! something like that