6 at a side for first
' I4 H$ r4 E" Ywhich 1 heavie
$ A% z; J3 R6 _- x4 F! Mtvb now,tvbnow,bttvbthen 3 by the side3 ? h4 L8 B/ g. J5 X* |$ J& ^
u know which 1 heavie
/ a- p' F7 i# k( ]% ` B/ h6 ^; y- ttvb now,tvbnow,bttvbleft 3 pick 24 e) y- ^" ]+ R9 U5 r" |! j3 L" c. r8 x1 e
if balance then the third 1 is the asnwer if not balance the 1 u can guess la...|公仔箱論壇* L* u! w3 { E) V; ?
its took me 2 minit to fugure it out |