put six on each side first
% Z8 |6 g( \: [: x$ Qtvb now,tvbnow,bttvb- W2 G$ p1 N- ^8 \) N+ d" l
from the heavier six, split it to three on each side: y# b5 O) n% z
( I8 J( a9 J8 S* E7 Jthen 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 |