Divide 3 groups first.
G: r& F5 n6 |( v% \( Y公仔箱論壇i.e. 4 x 4 x 4.
# X; ]) N) q4 q; ~, p/ k4 \4 }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。Weight any 2 groups [1st]
7 a/ M- \# m4 _2 ythen you will know the heavier ball in which group.# k+ h' k2 U4 r5 H9 v
Weight any 2 balls in that group [2nd]
% }7 c7 |% k. k/ OTVBNOW 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 2 balls.
0 B/ ]$ E/ v# [! b: w. v" d& M3 QRepeat again in remainders [3rd]tvb now,tvbnow,bttvb5 F6 G: z. d) O: B
Got the heavier ball. |