6 at a side for first$ _2 |' S7 T/ ?2 r7 u
which 1 heavietvboxnow.com% \$ b4 e K( \# e
then 3 by the side
- S. n$ ]9 s2 k% @* x/ @u know which 1 heavie8 d' y) X2 j% E+ K) @9 S
left 3 pick 2- ^6 V" E- C' p# b/ s7 p4 H
if balance then the third 1 is the asnwer if not balance the 1 u can guess la...|公仔箱論壇! T7 R2 Z3 i" k, }) q/ z P! X
its took me 2 minit to fugure it out |