chapter4（1 / 1）
PmMvPCknICcgLCcgPmMvPL2D6Yy8772l5ZKA5Yu45Jm/6Iy874a65J+k5bO26LGw5ae654mt56q45Ii55Jm/6LCI5b+L5oaV5bqZ5oSa55m756Cb5bqf5YmM5r++5I+a6Yy875Ct5aeA5oSa55O95Y6D6b+E5YqQ5Y2n55m/6Ja75Lq45KW75J+O5Yi45YGA6CA+Yzw+Yy88goDjqbvnkIjmh43lkI/mi7jkprrln4DphJrnq7/lgZ7mqJzljLzvpq3lqofolbPmuZbmoLnkpq3lhJrnp5DltLToqJzlg7jlkY/ljYnli7nkuaXlp4XniYzmi6flgLzloaHota7mID5jPD5jLzyCgOOGuuSLp+WAvOWIj+WPh+mDvuiEmue0l+mLueS6uuSkuOQgPmM8PmMvPIKA45a75Ie/6I245Im65Lq65ISa57eg5pm/6CA+Yzw+Yy88goDjgLzlu6fnt6DmjJDljLzvlrvkvJzngLjkhrrkpZ7nnJXphqfojpDljrvksJzlkZTou73on7nkoaHota7mID5jPD5jLzyCgOOJheWum+eAvOW7p+eMvO+0pOWJnOeLuOSGuuSxmuetuOSFmemokeWMvO+lneatouifhOa6nOaxjeWEmueNkOWrjuihguiAuOQgPmM8PmMvPIKA46635Zq85I245J+55Km755CI5oy876u16L6Y5puK5Z6u5YOi5bau5Ya95Iy876WT5ZCt5ayF5YSa54u65Iu65ICJ5qCX5oq45KKd6aih6I665J6x5aGh6LWu5qWd5rqH5ZyM54Km5qek5Za75Iy8762W5qSI5YSa55+S6ZKn56CH5Ye/6I+75yA+Yzw+Yy88goDjmrDltpfmhJrnuYLnuYnnmo7lk7XmiZzmprjltI3lgK7ngZ7mr5jmjIDojLzvj7zlvqzmhJrnl6Hop6TlgoPnnp3ptrnljLzvq6Plm4rls4rlhJrntbTojZDlqo/lgLjkgJ3ntIjmirjklYXoi4nmjLzvjr7nuJvnqKrphJrni57luIXliL7ljrrknrHlurrkt5TnID5jPD5jLzyCgOO6uuSEmueKuOSnuuW2qem+qemAneePh+mTieaMvO+Wm+edhuiylea7veiWsOWHjOaMvO+lneaLuOS+nea+lOawnOWCmuatn+eWu+QgPmM8PmMvPIKA44uP5Yuc5rOl5aC95Ia65KGd55GI5iA+Yzw+Yy88nYDigoDjiZzmnIDiID5jPD5jLzydgOKCgOOhsuaLj+WLnOazpeWJnOacgOIgPmM8PmMvPIKA44a65IWh6JGM5qui6LG35aqH6Je+5Ymn6LSX6aye56245IWZ6aiR5SA+Yzw+Yy88goDjj4Tml77luYLngLjkuoflspzpj4DpsJzloJfmpYvoiZzmvLzkjIfplLDmra/ojLzvqrvnhYPmlpvnqY7mmrzkiL7lr5jmjbjktrnloaHota7mjLzvt6DmgLjkjbjkrbjkhZnpqJHljJLlhr3kID5jPD5jLzyCgOO6uuS3v+iEmue6h+WNuOS0r+iNp+eAuOSJnOaMvO+IkOWTu+e4m+eDsOiUheiEmuejleaSh+aOuOSJsuaOveSMvO+skOW9peWIvuWvmOaYv+izn+mwo+WEmuedr+i0r+iWu+QgPmM8PmMvPJ2A4oKA44+I5ri45qq45KmO54y877uO5bqH5b+E5Zed5YC45Lml5YyS5ZGI5oy877Su5Z+K5Ya65YSa55md6b6d5pC+5amk5aOC6ZyA4pq876Gh6LWu5iA+Yzw+Yy88nYDin7zvhJrnhq/opK7oiLnkjoDmnIDimrzvrbjkhZnpqJHlID5jPD5jLzydgOKCgOOvl+WcgOKavO+0r+iwo+WOveShoei1ruYgPmM8PmMvPIKA46q754WD5rqH5Y245KyQ5Yy876K65I245JGN5Y245JSw5q2v6Iy8766X6aOP5YC85YiF5a245IWZ6aiR5Z2A4p+875i857+Y6Yav6KSu6KC95JyA4iA+Yzw+Yy88goDjkY/ljbjkgKjogLjkrbjkhZnpqJHljLzvibLmtJjpuITogLjkoaHota7mID5jPD5jLzyCgOOlneaLuOSGuuSLjuW0l+msnuebsOaUsOaEmueFhuWmveiMvO+OkOWwtei5peUgPmM8PmMvPIKA45a75JS65Z6b5YCd55Gs55i855W95J2A4oKA44Gn6Kmk5Y6Y5oy876+X5ZyA4iA+Yzw+Yy88nYDin7zvgafoqaTljpjmnIDimrzvrpfpoq/osKPlu73ojLzvjIPoi4nmhJrnuaXli7jkgLjkhrrksrrkrbjkhZnpqJHlID5jPD5jLzyCgOONnOaSiOiIvuWXvuWHv+iMh+mZv+ionOW5peUgPmM8PmMvPIKA44Wi5auI5Y+w5YSa57Ox576Z54m45KGg5qat5Z236Jel5YC45Ia65LC55IiP5Yim5biI56mu6K+Y5o665Iy876aD57u66Yi55Jm/6Ka96JCd5Z6b5aWd5o+E5r+E5o245LaE56qH6Lml5Yy877um55236LWu5oC45Imc5oiP5aGg5qat5bum57m+6KOC6YyA6IKA47q65Kq45IC45Lml5Ymc5qqP5YyH6ZCt5b+I5oSa542J5Y675Iy875ak5aic5Zy95KW35bi45Y2v5raI55i855W95CA+Yzw+Yy88goDjtq7lhJrnmLznlb3kvr7otYrmjrrkiLvnjLzvgbXmqrTmgrjljp/lhJrnu6bnhpnpqoDmiYXlh7/oobjmID5jPD5jLzyCgOOdgOaPhOaEmueCp+iBl+a8nOe3huW5gueJnOaMvO+WpOWXqueAneeGp+idh+WMvO+7pueUmumxt+Wqh+iGsOWwnOWZnemJruW2hOeNu+SMvO+PhOa2geaEmue0l+mLueS6uuS3lOequOSkuOSwiOWJp+ifr+WwnOWQlOmPleaqnOa2ueW5peUgPmM8PmMvPIKA46Gh6LWu5re75ISv6Leg5pm/6J+55Ja75IKA44O/5baB5iA+Yzw+Yy88goDjnYDmj4TmiZzmmLznv5jpua/lvYPor4/liZzmiL7loaHota7mjLzvtK/or5jmsbDln7nkID5jPD5jLzyCgOO5peWOuuSRkOW+gOWTveSruuiGr+iPhOaLuOSvmOa7gOa6uuSEmuefhOa9peWJnOa5r+W6uuSMvO+muuWSp+iEmuemreWGkOeDv+WOu+SCgOOqgOWvq+eGuuSwjueRj+WfueSLuOSZv+iMvO+GkOeDv+WmreWxsOWsnOafjuWWu+QgPmM8PmMvPIKA47ml5Y665JGQ5b6A5Yi757OH6Iun5aqH6JO95Ku66ISa56Gh6LWu5oy877mC54C45ISa54K85aqA5oa65LCI5Y+E5qiz5p+55K245IWZ6aiR5SA+Yzw+Yy88goDjs4PmmLvpmLvplrvkgoDjg7/ltoHmID5jPD5jLzyCgOOGuuSPneWEvOWrouihrOaAuOSIj+WLuOSZv+iMvO+Fg+aDv+WEmue9peW9peWsnOafjuWhoei1ruYgPmM8PmMvPJ2A4oKA47e16IC45Kic5Zy/6Liw5qy75JGI5o6Q5baE54y87zAxvZvljr7npYXlm7/ovYPogInmkYjmvbDlmrzkn7nkkYjmnIDimrzvtK/osKPljr3krbjkhZnpqJHlID5jPD5jLzyCgOOQreWIvuiAuOS7tOaflOewnOWonOWqh+ixlOeqh+iWpOW9m+WonOW5peWBjOavlOa9g+ifueS2u+ShneatuuW2ruWMvO+kreaCpuWFu+SNuOQgPmM8PmMvPIKA44Sa57Oo56+Y5r2D6Y655KCH5Yy876Gg5qat5Zu65Jm/6ISa57Sv6Lml5Yy877md57GF5a6b54mc5r2D6bq65Imc5oCJ5qm755CI5oSa55i855W95CA+Yzw+Yy88goDjtKTluYLnsJzlnYDmgInmiZzmpYvooaHota7mjLzvlLrlnpvlrJDlID5jPD5jLzydgOKCgOOLheWcneaVuuWdv+SMvO+lt+WGkOeet+WgiuWWiOalt+WGkOeBnOe7uumzqOeMvO+PpuemneWvluaWiOabveSIk+WyhuWcgOIgPmM8PmMvPIKA45ib55GQ5bmW5oCd57aI5aeO5qGh6LWu5p2A4p+876Gg5qat5aq45KqT5ZWK5peu55OJ5pCn5aat5ZyA4iA+Yzw+Yy88nYDigoDjhrrkgarnkJTlkYjmr5jmjLzvt6Dmmb/or5jmnq7lrqHnnIDimrzvtKTli7jkhrrkuYLnlrvkID5jPD5jLzydgOKCgOOJkOWnpOWLuuSHuOSxsOWonOWwjue9g+iNuOSMvO+EmueLuOSAuOSyhuWXvuWvmOaYv+iRiOa0r+iRiOaft+iIuOWBgOiMvO+nkOWGuuSNuOScgOKavO+Tgem8geami+iMvO+0qeezmOmqpOWJj+aGuuSJj+aYvOeVveQgPmM8PmMvPJ2A4p+876eQ5YSa56mO57+E5Zed5YC45Ji/6Kmk5Y6Y5pyA4pq8766X6bCc5Y+E5o+a6Yy874mn6J+E5o2n55m/6Imc5qGy5pKA5a245IWZ6aiR5SA+Yzw+Yy88goDjrLDltLDlm7DmlLDmjLzvt7XogLjkqJzlkJ3lurrkhJrnmablrr7lu7Pns4Xlqrjkibjkhr3kID5jPD5jLzyCgOOzheWAuOSNh+mNh+mMvO+7juWbv+iQneWMvO+ol+mEmue2qem+qemvieWAvOWJi+avmOanl+advuSGveSMvO+lgOaIvuWMh+mDv+WYvOeVveQgPmM8PmMvPIKA47Sv6KWO5rSb55a75J2A4oKA47ap6b6p6a+J5ZCd5aC95Iy874u65KGy5pyA4iA+Yzw+Yy88nYDigoDjipXliZzmobLmnIDimrzvtK/ouaXlID5jPD5jLzyCgOOul+mhoei1ruadgOKfvO+KleWmveiVmeavmOaNuOSvmOagveSYvOeVveScgOIgPmM8PmMvPIKA46e65Y6Q5aic5ZCd5bCc5bab6bab6aSt5bq65Kq45IC45Ji855W95Iy877e16IC45JCd5aGh6LWu5oyS5bG35aqH6Kmu6J2A5o+E5r2l5Y245IiP5Ya95CA+Yzw+Yy88goDji4/li5zms6Xlt5Tnr5jmjYnmoaHota7mjJLluaXlj4PlvaXll77lvpjmjLzvv4Tll53lgLjkqJzlkJ3loaHota7mjJLluaXlqa7oj4Tmv4Tmjbjkn7nkjLzvgLzlhojlmLznlb3kjJLll77ljYjojbjklrvkID5jPD5jLzyCgOOGuuSCtuaKs+eEmuefnOeQreWRhOiLuOSZv+ituOSFmemokeUgPmM8PmMvPJ2A4oKA47ap6b6p6a+J5ZCd5aq45IC45KWd5qy75KC95JyA4oy877i45aOt5o2k5aKB5qu/5Yi+5Yy874Ow6JSF6J2v6LSv6ISa57ml5Yu45IC45Ia65Kat5Y+E5oWV5pa75J2A4oKA46aT5b2D6I245JyA4iA+Yzw+Yy88goDjrpfpmLznlb3knYDin7zvl5Dli7jkgLjku6fnhYzlqrjkmb/oiormvYPokYjmpoDipoDinIDiID5jPD5jLzyCgOOFjOWEmuehoei1ruaquOSAuOSAnee+lOanuuWOkOWwjueRj+W0jeWMvO+nuuWOkOWonOW/hOWXneWAuOSXrueTieaYvOeVveSMkuWtuOSFmemokeWMvO+nuuW2qem+qembv+iQneWwnOWPhOaPmumhoei1ruYgPmM8PmMvPIKA46+B5pSw5oSa546N5aKl5aGC6IC45K+Y5oiP5bSN5Y2H6bOo54Ow6I695Kih6Jak5Yy872d0hpnpp6zmqYjlvq7lhJrnsonokbvpjLzvhr7ogLjkr5jmpr3opa3mo7vkhJrnlrvkID5jPD5jLzyCgOOmveiEmuehoei1ruaGuuSwiOW+iea7juWVu+elneaVu+eMvO+AneemuOWWu+Sroui6uuSkuOQgPmM8PmMvPIKA46Su5Yu45LCc5Ya65LCI5bq65Kq45Im45CA+Yzw+Yy88goDjtKTluYLnjLzvi7jkgLjkhrrkq7HouYrnrbjkhZnpqJHlID5jPD5jLzydgOKCgOOMh+mZv+ionOWFvuWzg+aIvuWvmOaNuOSlnea3teiLnOeLj+WLnOazpeWgveSMvO+0l+m2l+aBpuiAnOmlneaHv+i2tei6nOa4j+WcgOIgPmM8PmMvPJ2A4oKA47qc5riP5Ymc5r2D6bau5ay75JGI5oa95JyA4iA+Yzw+Yy88goDjtKTli7jkhrrkuYLnsJzlmZ3ps7nlr5jmqo/ljLzviLnkgLvktK/omqTlqpzmtrnlhr3kjLzvu4LlhpHluYLniZzmrbjkhZnpqJHll77liafotpfmv6HplrvkID5jPD5jLzyCgOOIueSmveiAvOWavOSNuOSYv+iQiOaNuOS+mumMvO+GuuSLieamveibteivmOa9g+mhoei1ruYgPmM8PmMvPIKA45Kn6LSY5Yu45Ia65L2K5pi855W95CA+Yzw+Yy88nYDin7zvpr3ogLzlmrzkoL3knIDimrzvtKTlnpvlsJzlgrzltq7orbjkhZnpqJHlID5jPCAnKD5jPA==