first, 4 - 4www2.tvboxnow.com% Y' `0 z6 N' v8 Z8 o& g8 ?+ b9 v% g
if one side more heavy, take up and check next. if equal, then the uncheck 4 take to check next.www2.tvboxnow.com4 L" X! y8 f+ Z* g, ?
second, 2 - 2
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third, 1 - 1
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