:
1-5 ABCBD 6-10 ACABA 11-15 DDCDA 16-20 CBDCB
21-25 DCABC 26-30 DABCA 31-35 BDBCD 36-40 ADCAB
41-45 BDBAC 46-50 DABCA51-55 ACBDA 56-60 DABDB
؟ --------------------------------------------------------------------------------------
σ(ni)݃Hԭ(chung)^c(ni)δ(jng)վCAԇW(wng)σ(ni)ݵ挍ԲκαCZDdĿڂfϢɴˮa(chn)ĺcAԇW(wng)oPDd(ni)ݲַęՈ(lin)ϵ҂
![](/Images2.0/lianxi.gif)
҂r̎