1st 6 ball --- 6 ball
+ Z: W$ i9 N& A6 e5 ]2nd, take the heavy side 3 ball --- 3 ball
; U6 i2 c* V0 X! X- tthird, take the heavy side, random pick to 1 ball ---- 1 ball
$ m. V. q Q3 U; u7 Aif which side is heavier, that's the heaveir side
" o" N$ `$ r2 K4 V7 B- Hif they equal , then the other one is the heavy one |