1. 1st divide to half take the heavier outtvb now,tvbnow,bttvb0 x/ C$ f- h9 s7 l* B
2. 2nd take 4 balls out of 5 divide 2 groups to get the heavier out. (if is equal thn the remain is the one u looking for) 7 d' G! D1 H/ L$ U公仔箱論壇3. Same method if is not equal on 2nd try.