take 4 balls as a group, 3 groups - A B C
0 j2 Y7 ^' G& G# u+ D5.39.217.76weigh A & B (ex. B heavier)# W6 w/ z8 |, a1 H% i
then weigh B & C (B & C same weight); ~9 Z2 J+ G1 S) c
to find which group has the weight difference and find out is it (A is lighter)tvb now,tvbnow,bttvb8 `* X! g9 q0 G* q! A5 Q" l
heavier or lighter! a+ Y9 p# v- n5 z, G
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)3 `- i3 C" W( ]1 {3 Y7 x- u2 G; C
measure E vs F to find which 1 is lighter.... |