sitsky

take 4 balls as a group, 3 groups - A B CTVBNOW 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。& i: ]" a7 ]- [3 c
weigh A & B (ex. B heavier)  L! V6 d, x7 W
then weigh B & C (B & C same weight)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。4 y; Z6 p' [+ E, l$ v0 n, B' ?4 ~
to find which group has the weight difference and find out is it (A is lighter)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。, ^9 Z1 O  p; J, V, k  Q
heavier or lightertvb now,tvbnow,bttvb! h2 M6 f) B0 o
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
* X' a+ [0 h( x/ E' @measure E vs F to find which 1 is lighter....