divde the 12 balls into 3 sets of 4.
1 s7 k- K1 h4 t' wos.tvboxnow.comweight any 2 sets.' ~3 \4 R$ ]6 H
if the 2 sets are equal, then you know the heavy one is in the third
7 t. [: k. ~( B2 {7 } w- pif one of the 2 is heavier, then the heavy one is in that set$ n, L9 p& C6 Z+ G' s. H
then divide the 4 balls into 2.tvb now,tvbnow,bttvb& f. l8 O4 Q; Z7 `
weigh them
' e5 p6 D& {6 W5 }8 z9 Utvb now,tvbnow,bttvband divide the heavier into 1
- l8 ^: e) W+ ?( v7 h. N3 b8 Mand weight them.tvb now,tvbnow,bttvb8 k' W4 S5 s0 _$ W" {
3 x weighing and get the ans.
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