1st 6 ball --- 6 ball
8 ]3 r, v" L/ I3 z+ G7 B+ e2nd, take the heavy side 3 ball --- 3 ball
" G0 }6 u! b. x1 Q6 V; A, Z: o7 ftvb now,tvbnow,bttvbthird, take the heavy side, random pick to 1 ball ---- 1 ball
7 c' i; o4 X( Z: y7 vtvb now,tvbnow,bttvbif which side is heavier, that's the heaveir side5 ^$ ]' [ R5 |, _
if they equal , then the other one is the heavy one |