6 at a side for firsttvb now,tvbnow,bttvb9 V L# g9 q9 z
which 1 heavietvb now,tvbnow,bttvb+ \ p9 U; J9 M
then 3 by the side
$ x4 \: F+ o3 Btvb now,tvbnow,bttvbu know which 1 heavie公仔箱論壇2 ]4 Y5 c6 M9 D$ N* f
left 3 pick 25.39.217.76& g# |+ }* G9 `& z- C" i6 y
if balance then the third 1 is the asnwer if not balance the 1 u can guess la...|# s2 X' f' x( C" a5 ^$ `) C( K- z
its took me 2 minit to fugure it out |