put six on each side first
$ E+ r( ~, H" ?tvb now,tvbnow,bttvb
2 k+ I/ x A! T% ifrom the heavier six, split it to three on each side
' H8 i# z% |# x8 x: TTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。0 t* b) R/ ]9 R
then there is three left, put one on each side, if one is heavier then that is it, if they are balanced then last one is heavy one |