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1st    6 ball  ---  6 ball# }1 T# C* W  G
2nd, take the heavy side  3 ball  --- 3 ball5.39.217.77:88987 q7 K; l9 V( H2 G) C! \
third,  take the heavy side, random pick to 1 ball ---- 1 ball5.39.217.77:88980 e3 a& N* Y6 M& F
if which side is heavier, that's the heaveir side
% d9 I, j$ L8 d# s7 e) R  D6 m5.39.217.77:8898if they equal , then the other one is the heavy one