i found the ans in 30 mins but dont know correct or not?. C1 d7 E/ V: g" W, g$ d Z
ans is too long! but concepts are something like that:tvb now,tvbnow,bttvb2 A8 c5 F; n( w5 r" c( E
seprate 4 groups 3 balls in one group! 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。5 Y) u' d% {. D' `( L
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* ?0 C3 V1 Y5 o& T7 @8 e0 u8 D
the last part is 1ball vs 1ball! something like that |