first, 4 - 4
9 F7 k; r" h8 N7 t' Zif one side more heavy, take up and check next. if equal, then the uncheck 4 take to check next.5.39.217.76- U1 C" y: Y# O8 Q8 F+ K6 ~+ n
second, 2 - 2( ?/ r- b) s4 y* m3 {1 A
take the different 4 spread to 2 - 2 and check it. more heavy side take up to the next step.
$ i1 E6 {, K# ]" k( z i5 etvb now,tvbnow,bttvbthird, 1 - 1
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