Divide 3 groups first.
, S3 N5 K; Z, a, ]4 y2 s& mwww3.tvboxnow.comi.e. 4 x 4 x 4.* X1 e. x2 N' O6 a: y7 e$ h! X
Weight any 2 groups [1st]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。- x" c, }. N3 U0 n: P3 M! E6 L
then you will know the heavier ball in which group.www3.tvboxnow.com5 F( O) }& {! R
Weight any 2 balls in that group [2nd]公仔箱論壇& B% R3 N1 {' w. w$ j. ?
then you will know the heavier ball in which 2 balls.
5 N+ G* O" F# M z2 D/ CRepeat again in remainders [3rd]tvb now,tvbnow,bttvb( d2 g/ n' `1 l9 k) h
Got the heavier ball. |