mousekeng

first, 4 - 4
3 _" [, R( Q2 Z' {* v' ?if one side more heavy, take up and check next. if equal, then the uncheck 4 take to check next.
7 I1 D* K! \  C7 F! N- ?- g公仔箱論壇second, 2 - 2
& h7 i9 u. q7 x; p" W# t5.39.217.77:8898take the different 4 spread to 2 - 2 and check it. more heavy side take up to the next step.1 W  y& z$ ~2 \7 E+ P$ m
third, 1 - 15.39.217.77:8898* r: |: q# D# ~" c  R
bingo!!