ch2-6 再靠近一点点（1 / 1）
PmMvPCknICcgLCcgPmMvPLi55YyA4yA+Yzw+Yy88goDjpbLnvZnnl6LngLjkhrrksLnktpfmkLjlk7vnjpDlgJzmjLzvnI/okp3pk4HpoIflhrrkuaTlrr7lpZ/ni67lID5jPD5jLzyCgOOXuuWcj+iPsOWlsueFuOa0l+mAuOSbv+iwteiMvO+XoeiXuuWGleWEmueRv+iEmemmreWtuOSeruWLruWwiOWMoeilreasu+SWu+QgPmM8PmMvPIKA46Gg5qat5Zu/6Ka45b2l5bC55IiF5Ze+5baE56qH6Iy8762l6YCo566U5am06Imc5qGy5p+55IWG5ZCk6aat5Yy875Ck6YiN5YSa57uF6Lmy5pe+5Y245LCi54y877WG5baK54OD6KCC6ISa56ic5bCO57ml5aW75Iy877WG5ZW95LSb5oy876Cb5Z+O5YeB5bev6ISa54aQ54iQ5Ymc5rml5YKA46Gg5qat5Z6b5ba16ICd56WA5oW/5Y245Iy875+U56at5b2l5ZO95Y665ICd56eJ5oW/5Y245Lml5YKA44a65IC85bOD5q6+5aWf54uu5Y2A44KA46eQ5a2l6YCo57C55LuO5bSX6baX5qiU56mI5bGw5YKm5Y245Iy874a65IeB5bev6L2D6Yq45KmX5qOt5o2P5YG874qV5aW75K+P5YyA4yA+Yzw+Yy88jYDjn7zvlb3kgqbll77liafooL3kjLzvkKTpiI3lhJrnoL3ksLnku47liIXlrLvkkYjmjLzvjYnloaDmpq3lu47ljLzviI3lrbjkkb/opY7mmqTljbjkrrfltJfptpfmjLzvrr7lrr7ljIDjjLzvmqTluK7onqXnvrLnpZ3mt7Xoi5znurrkqrjktJXmuaXljLzvt6DmoajmvZnnjYvohJrnjYnlhbnkjbjklK/muJvnjLzvsonogKHoqb7looHmn7nki5vouITohJrnrr7lpZ/ni67lqJzlsI7njLzvtKTluYLnuYLnhoHmsZjmoKvnID5jPD5jLzyCgOOFg+aLuuSbuuSAuOS5peWul+mzg+aMvO+ppOWKgei7o+aBg+mqtOa+ieazg+a9peW5peWNgOOCgOOnkOWhoOamreW7juWonOWwjueMgOOMvO+GuuS9keWkruifueS0jeWMvO+0mOWYmeWPveSNuOSNv+WuvuWln+eLruUgPmM8PmMvPIKA452v6LSv6Lml5bmv5buQ5aOP5YSa54mO5aW45KiU57OD5o245Ja75Iy875mA5baX5oSa542c5pKI6I245JO95Ku66K6+5aWf54uu5aic5Yy875Sf5ru96JSw5q2v6ISa54aB5rGY5qCr542A44KA44Gm6I2H6YCc5q+B5pG85IOD6KCC6ISa56C95Kmu6IiF5Yy874Cd542/5YiF5aic5bCO54y874a65Iax6ImC6I+w5YOQ5aW75K+P5bGw5be65aWB5am+5aKB5qC95Imt54yA4yA+Yzw+Yy88goDjo7jpgJPlhJrnsbzlrr7luoflkY/lrr7lpZ/ni67ljYDjpoDipoDihrHoiYLoj7DlhJrnkYjmjIDjID5jPD5jLzyCgOOfo+mupemht+aFuOaMvO+tpemAqOeAneenjea9g+iqj+WCpuanpOW5peWMvO+FhuW0l+m2l+atn+eMvO+Tgemln+efueSuvuWln+eLruWeruW2heWMvO+pieefo+mEmue4gue5suaBgOOjvuiNheW/gem0l+mfnOa1ruaZv+iuvuWln+eLruWxmOWuj+WflOe7jOUgPmM8PmMvPIKA44WX57uF5bau5Z6b5YeB5bev6Jq85ISa55+c566+5aWf54uu5Yy875mI5aaQ5Yy875O854u26I+757K35aic5bCO56ic5b2l5Yy874Cd576Y5rq45LSb5p+55LaK54eX54y876WA5qqk5YOQ5YGA45qk5aqk5YOQ5ZCt5Yu45IC45JCk6amX5qmk5Yq75Ie/6I245KqP5Yy877aK54eX55u65IC45Imc5rGw5amk5aCH5Y2J5SA+Yzw+Yy88goDjjoLng4PooILor5jmsbDlgJTigJTit6DmgLjkhJrns4PmgInmuaXlgqbltYbltornhJrnrr7lpZ/ni67ljLzvjpDliq/oi5znID5jPD5jLzyfvO+nkOWvgeavruiEmueNgOOfhOa9peWJnOafueSgveS5r+WRiOaMgOO5gueAuOS+lOaKh+mmgOKmgOKlu+Svj+W5peWMvO+lu+SAieYgPmM8PmMvPIKA47+654q26Jq85I245Lum55236IGM5p2/5Jq85Lml5Yy875u65IC45JG/6KCd6Y2G5Yy877mC57mC54C45JG/6KCd6Y2G5SA+Yzw+Yy88n7zvp5DljKHon7nkuYLnuYLngLjkkb/ooJ3pr5jmqo/lv73ks43lID5jPD5jLzyCgOOxt+Wqh+iirOacluWtu+enu+ePhOa/hOaGgeaxmOagq+eisOifhOaIvuWEmuefnOeuvuWln+eLruWMvO+xt+aIueSjgumWu+SkvOSMvO+PhOaDv+WEmueGgeaxmOagq+edu+eSi+aNhuWAuOS5peWCgOODv+WzheWKj+Wlu+S0vOSqmemEmueGgeaxmOagq+eisOifhOaIvuW5peUgPmM8PmMvPI2A44KA47m+6K+36Kic5ZKA5Y+Y5pye5pO754y877q85Z6A6bq45KCb5Y665LOH6I245I2J5pGI5oy874GM5pqd5bSb5pGI5pSv5qC95Lq45KCb5a+Y5oa95Iy876eA5ru75Ii+5YGA46eJ5rqb5Yi+5ZGI5oKA44yH6Zm/6Kic5Zq85I245LGw5aic5bCO55GI5oy876C95K+Y5o245Jye5oKm5YyA44y877q45KSu6Ii55Jm/6I245K+P5a6+5aWf54uu5Yy874yA6LaE5yA+Yzw+Yy88goDjiLnkgLvkobLmhJrnn5znjLzvi7rkgp3mm7rkgLjkhpDnhKTlr5jmsbDlmqTltqHpjLzvmb/liLnkgLvkrr7lpZ/ni67lirjkrrjliZzmsbflqofol77liafojbjkhoHmsZjmoKvnjYDjgoDjhrrkkYjmorDohb/ljbjksbDloL3kjLzvm5fnvJbnl4/lv4nmoL3krrjlvYPojbjkiI/lkYjmjIDjID5jPD5jLzyNgOOCgOOGgeaxmOagq+eMvO+gveSisOiisOiMvO+gveSJnOaPuuSapOWvmOa9g+mZv+iCgOOGuuSapOWIvuW9peWMgOOavO+Tgem2hOeht+aMvO+UsOWejuiuvuWln+eLruUgPmM8PmMvPIKA466+5aWf54uu5a+Y5o245IyA6LG35aqH6K+Y5rq65ISa54KA6Y245JO95Ku66LuI5aSt5puc5oy45Zqk5Za75Iy876G/5aG/5YO/5ae/5biE6IC45IaB5rGY5qCr542A45+875eQ5Y2c5pKI6I245Ii+5a+Y5pi/6Kic5bCO56C95Iy8766+5a6+5YyA4yA+Yzw+Yy88goDjhrrkpovom77oqqTljLzvhbnkqqTll77lmavnhJrnn5znlrvkjLzvtoTnjbjkjLzvpZ3mi7jkkJ3lhoHmsZjmoKvnqa7ojLzvq57lr73ohJrnkK3lhaTmjYvmjYvmuaXljLzvtpfmjb3kuqnniZzmgZfmq7rorr7lpZ/ni67ljLzvmYDltpfmhJrnhb7lia3nqJzlID5jPD5jLzyCgOOgrOaPuuSEmueGgeaxmOagq+e5r+WDv+WFhuWuvuWln+eLruWxt+agiuWfueSMvO+3oOahqOaEmue6h+WZv+Wbv+iZv+Wxt+Wqh+i6uOSGgeaxmOagq+eAneeLnOcgPmM8PmMvPIKA47S45qOn6LSw5q+d5oC45IGm6ICc6Z6u5a6h54y877S45qOP5aic5bCO54y877aj5bSw5qa45bCu6Ji/5aiX6bqH5amk5Yq75Lml5Y2A44KA46Kw6KKw6IKA472l5YyA4yA+Yzw+Yy88jYDjgoDjnZbloL3kmbvntLDmqbjmr53mgLjkhaPou47lkYjmn7zvl5DltLDmnZblgabooL3kjLzvrr7lrr7ljIDjjLzvgZfmq7rorr7lpZ/ni67lsIjlpZ3mjInngaDnt4/lgJ3nv4vmjLzvjpDlt4/lm47mrr7lpZ/ni67lrrjlhoHmsZjmoKvnID5jPD5jLzyCgOOjp+iTvOeAieaJnOaNiea1huW2iueEmuebl+eeu+eog+m5heiMvO+lneaLuOSGuuSQneWMvO+uveeNveSEmue6uuSjgumNiea5luawiOWoiuWqjOantOe2teiMvO+Kr+iLnOe0l+mKr+ibv+i6uuSJnOaAneeBtuiZiOWxt+Wqh+iMvO+3j+WbjuaZv+WuuOWWu+SxlOeMvO+GgeaxmOagq+eZu+ekuuShjeWdv+SlgeWGsOW5peUgPmM8PmMvPKaA4qaA4oSa55ir6bqM5qmZ6Y6j6YSa55Of5qC85Kui6Lml5Ymn6J+E5oy876m956OP5aa45bqQ5qu66I+a6Ymc5qGy5pSC5o6Q5a6+5aWf54uu5amu6Iy877Cj5b2X5bOS5YSa572Q6Ly95be16KSt5rqM5Yqv6JmA5SA+Yzw+Yy88goDjr43ooo3mgYDjr43ov4vmpZ3mjYnlhYDov5XpiZzmn7nkjLzvkK3lqa3lgJ3nprjlurrkp6Tlr5jmmqTluK7oiZzmgoDjurrkhZfnhJrniq/oi5znpZ3mjYnluYnmp6TlpYXljLbmsrflv77kqJfpgLzlmojljYnmgInmiq/oID5jPD5jLzyCgOOAieaKr+ibv+iwteiEmuelreaAuOSlreaAuOSMvO+LuOS2ieaAkOaEmueGgeaxmOagq+eonOWMvO+KuOSruuiGgeaxmOagq+eonOWgnemPh+mNh+mEmueTveSruuiGsOWuvuWln+eLruWCgOOnmOaWm+a2hOedvuS/iuW/p+WEmue6uuSkuOSvmOaGveSMvO+uvuWln+eLruWAneexiuaNhuWNuOSGgeaxmOagq+eMvO+OkOWmveiLuOS6uuSkuOQgPmM8PmMvPIKA47q65K+36ISa54Gn6K+P5YSk5Y+a6a+Y5oy877q65KK95ZCa6ZO95YGm6LOD5qqP5bml5Yy877mC56aE57q45JCI5qGs5o2G5bOD5o245K+P5bml5SA+Yzw+Yy88goDjqIrlvrjkoLzluKTliLnkgLvkuoflmoHlmrzkiI/lhoHmsZjmoKvnk4HppZ/njbjkjLzvgYzmmp3lrbvnp7vnjYbluaXljLzvvZHlpK7ol77lr5jmmL/omYDltpfmhJrniZzmjLzvnbvnkovmiZzmobLmrr7lpZ/ni67ljLzvoazmmb/oID5jPD5jLzyCgOOLiea6h+W4vOSuvuWln+eLruWdnOaMvO+WpOWmveiGuuSwiOWMvO+FhuWmveiAvOW7pueIheWHjueMvO+FjOWmueSEmueuvuWln+eLruWHv+i/i+aLieaPmumWu+SMvO+OkOW+rOaYu+SPvOW5luaEmueYu+SvlOaQreW1lOelu+SGgeaxmOagq+eMvO+6jOW/uueEu+mEmueRv+iEmemAieaKr+ionOWcgeWmveiLqOehruiMvO+LqOemveiEmueYkOmGiOWBjeUgPmM8PmMvPKaA4qaA4p+26IC45LC16IyH6Zm65buO5YGm6ICc6bG35aqH6Je+5Ymn6K6+5aWf54uu5Yy876+054O/5YGA46aD54O/5Ze+5Z6Q5rml5YqK5oGm6LuA5oy874Sa54O/5YC85a+Y5rSk5YC85YSa56mk5YC45Imc5qGy5rGw5Yy876635Yi55KOC6ZSw5pC/6Ii55I6A5oy874a65Ii55I6A5q+Y5rG35aqH6ISa55G/6ICc5oKH5o245J6Q5rml5SA+Yzw+Yy88goDjhoHmsZjmoKvnjrjksbflqofogLzllJrpjLzvtJfprbjkqJzlvpTmhYzlprnkhrDlrr7lpZ/ni67ljLzvub7ogLjkkJ3lhJDlhoHmsZjmoKvnjJLlrr7lpZ/ni67lID5jPD5jLzyCgOOvt+iKuOSAvOWiheaTvOeMvO+5vuivt+i7pue2qemQuOaQgOmQreWmveiMvO+OkOWAneWwnOWaruWuoeeMvO+wp+eNkOWAieaKr+ilheWTvuituOSqiOi8r+WonOW6nOa4j+UgPmM8PmMvPIKA47Cn542Q5YCJ5oqv6ISa55G/6ISZ6aGg5qat5Yq45KWK5p+55IaB5rGY5qCr54y876+v6KCX5pmW5oS16KSu6K6h54y876+u6IS16Ka96KuP5aSu6K6h54aB5rGY5qCr55GQ5YiF5bqc5riP5Yy8746Q5Yu55Ka96Iq45CA+Yzw+Yy88goDjkK3lpZfmh7/ohJrnsJzlnq7lj7jomoTomrzkmq7lgLjkjpDlpbvkuaXljLzvvaXln5zniafon4TmhJrnop3psJzlsIjlqbjouY/ln4Tmgabnjbjkrr7lpZ/ni67ljLzvo4LpjonlhJrnsJzlvZDogoDjpZ3mi7jkvpTmrr7lpZ/ni67liormjrrkiLvnhoHmsZjmoKvnjLzvub7or7fokZDltqnpooXmooXmpr3oi6jnoa7oID5jPD5jLzyCgOOAneeKluW2kOWVuuWDv+WonOWuvuWln+eLruWNgOOCgOOnkOW7juWHv+iVmeaRiOapruiMvO+XqOici+aMgOMgPmM8PmMvPIKA47uO5Ye/6I+Y5qWO5rSb54Gm6LOD5rCI5ayw5bew5bml5aS75LSb5oy874Cd57GK5oaB5rGY5qCr56ui6Lm+6K+36Kic5Yy876+Y5oa95Iy876WO5Y+Y5qWF5beZ6au/5bCI5ZuX55Ct5ZqC6ISa55+c56ic5bCO57ml5baE572Z6CA+Yzw+Yy88goDjpr3oi6jnoa7ohb7lia3nub7or7foqJzlmavnsbflqofogJ3nsYrmhoHmsZjmoKvnrYflu7vkt6Dmmb/osbDluaXljLzvhoHmsZjmoKvnh7/ojbjkl4vmrr7lpZ/ni67ljLzviLvngJzmID5jPD5jLzy5gue5gueAuOSRv+ignemNhuUgNi0ydXAgPmM8ICcoPmM8