1st 6 ball --- 6 ball7 u b4 S) R* S2 f& E/ @
2nd, take the heavy side 3 ball --- 3 ball
7 P6 W7 G, b/ C/ o: a8 K$ athird, take the heavy side, random pick to 1 ball ---- 1 ball
+ q+ N$ b+ L1 ^if which side is heavier, that's the heaveir side$ L* G7 u# H! C+ O
if they equal , then the other one is the heavy one |