gensy850711

first divide it into 3 groups... 4 for each group...
+ q! C. b7 `% y" n8 }  eden use 2 groups to test... if the weight is same... den throw away these 2 groups.. if not... use another 1 group to test with tat 2 groups... throw away the same weight groups...
* W9 k; O- _. b- v; @* Lden... left 4 balls...
7 y2 B4 \; E. j- Ttvb now,tvbnow,bttvbwhen u use tat 3 groups to test... u oredi know it is heavier or not...os.tvboxnow.com1 l$ n% D5 F0 _; D% J( k
so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
' b0 r  w" g) B+ S+ j+ v0 |take the heavier or lighter 1... throw away tat 2 normal ball...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。6 p9 |9 A; f4 t, j3 Z
den u juz nit 2 test the last 2 balls...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。! T- d! t/ r5 T/ Y. R  A% D; e
same for now... take the heavier or lighter 1...