first, 4 - 4
, c) o+ h% M7 m, Y$ n公仔箱論壇if one side more heavy, take up and check next. if equal, then the uncheck 4 take to check next.
8 `; Y# ~6 X( T: Dsecond, 2 - 2* ~+ K, u! Z8 K( k& J$ Q5 E4 l
take the different 4 spread to 2 - 2 and check it. more heavy side take up to the next step.
: S- _8 Q- g, ] Fthird, 1 - 1
# V" s' O: T" J4 k& z4 {bingo!! |