Divide 3 groups first.tvb now,tvbnow,bttvb) V* ]& R- K3 r }* o1 T7 W7 b
i.e. 4 x 4 x 4.tvb now,tvbnow,bttvb& Y: I/ x e M3 {( Z5 d# H# Z
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。/ P t% R8 ?" J# H2 |
then you will know the heavier ball in which group.tvb now,tvbnow,bttvb2 k6 p% [2 Q/ r2 q, `! R
Weight any 2 balls in that group [2nd]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。6 u9 M2 w3 }0 i. _- a t% E
then you will know the heavier ball in which 2 balls.
* u+ e, k# k' v+ C( Ltvb now,tvbnow,bttvbRepeat again in remainders [3rd]5.39.217.768 p; H; v2 Q/ G& S" d! N
Got the heavier ball. |