Divide 3 groups first.
& u! T# s A/ u; ^i.e. 4 x 4 x 4.tvb now,tvbnow,bttvb7 J) v4 f7 Z; Z2 w7 ^9 T3 X
Weight any 2 groups [1st]
4 p; r v+ W# C6 t. T5 lTVBNOW 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。then you will know the heavier ball in which group.公仔箱論壇4 a- n: q& `8 D7 q6 ?
Weight any 2 balls in that group [2nd]
5 [) q+ U) |& Zthen you will know the heavier ball in which 2 balls.os.tvboxnow.com4 i A$ V" U8 q: q5 G4 x9 w/ P
Repeat again in remainders [3rd]( j7 S$ w* J+ x% S
Got the heavier ball. |