Divide 3 groups first.7 D7 _; ]# B+ n
i.e. 4 x 4 x 4.
. l) |8 ^, q6 S7 x `公仔箱論壇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。: n0 q3 S, R) i' X# Z
then you will know the heavier ball in which group.
$ a' o9 B3 T! [; S2 qWeight any 2 balls in that group [2nd]7 X4 E$ ]: h+ ~/ i7 y9 B
then you will know the heavier ball in which 2 balls.
9 n2 Y6 ?: K* i! A3 s0 qtvb now,tvbnow,bttvbRepeat again in remainders [3rd]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。% U8 F9 Q# v6 F) O0 o
Got the heavier ball. |