第27章 条件交换（1 / 2）
PmMvPA2CgOOyjOapkea7vei7veiMvO+it+WBmuianuajgum6h+WPjuaMh+mAgOaOu+SLiea6oemvmOaOuuSMvO+gnOeRvOS7oemfuuSWu+SMvO+Nh+mJsuaRj+WKtui/iuWkvOSMvO+7p+eojua0l+m2l+aAneePmumHv+iNuOSCgOOHpOW8heWFgOiMuuSFgOiWiOaIj+WMvO+gnea5q+eyleazg+avmOaYv+ioheWokeWRmeidgOavmOa5peWGh+WNuOSDkOWMvO+5peWAneebnOaGh+WQj+arjug+Yzw+Yy88DZ2A4oKA45206J2u5YSa572R5Z2/5Kq45IC45JGI5pm755e+5aC95Iy875ak5Y+E5rKY6bq45JyA4oy874uJ5rqH5bi85Ja75JGQ5bml5Z2A4oKA45ii6a6X6aq45IC45I6Q5YCc5pyA4j5jPD5jLzwNgoDjurrkhYPmpZ/nhJrngLjkr5Tlqrjkmb/ou63mhLzls4PmiL7ln7nklrvkjLzvsrfll77ljbjkq7/or5jmuoflmInmmJvnjJLlm5Dlmablr4blkZDln7zvk4HppZ/nurrkq4jlmbvnspzpj4Dpk5jmu73ovYPoiLnkjoDmjLzvgIrmvZHlnb/khJrnlbrlsa7ni47llrvkr5jmmb/onYDigoDjpZ/njbjkpa/olLrlnIDiPmM8PmMvPA2dgOKfvO+IueSvnOaDp+aFtuamgOKmgOKquOSZv+iavOSgveSTgemln+eWu+SjgumcgOI+Yzw+Yy88DZ2A4oKA46+X5ZyA4j5jPD5jLzwNnYDin7zvjYfpmqTliZzml77lpLzkoL3kk4HppZ/nlbTlkbrknIDimrzvtKTlp77kuaXlPmM8PmMvPA2dgOKCgOO9peWKtuirv+WKtuicgOI+Yzw+Yy88DZ2A4p+874i55ICd56Gd54Gm6LGw5aic5bCO56C95JyA4pq875OB6Y2J5q+B5qCH5Ya65Ji76Ymy5puQ5Zmm5a+G5Yy876mI5bu66aqk5bq65Jm/6D5jPD5jLzwNnYDigoDjuaXlmbvntYrmjLzvgIjlgLjkmb/onIDimrzvurrkq4jlr5jmhJrngIjlrbjkj4PlvaXljLzvuLjlgqblsononqXntI3llrvkjLzvio3lp6TlpYXli5/lg4jllYzlPmM8PmMvPA2CgOOos+aCpuWBteaAoei2l+a/oemMvO+KuOSAhuipguixt+Wqh+ionOWOieaMvO+WpumVjOWEn+aAuOS6h+W+ieaMh+mqk+WOu+Sln+eNuOSdgOKCgOO9peWcgOKavO+wo+WAuOSGuuS1keWGh+WQj+arjug+Yzw+Yy88DZ2A4p+876K954W45peu54Gm6LuA5qa06JSs55m/6Iy875io5aiO5YSa55GI5oa65ICd5qC95Iy875ak5aaP5YKA46S65JCI5oy8772l5ZyA4oKA47q65KCL56q45K+Y5oyH6ZCt5aiq6Yi45b2b5aek5auO6KG/5K6h57ml5a+P5Yy877+V6Y245LSX6baX5oSk5bib54KA47WY6YC45ICd5pqA6aWd5pCt5aeA5re16K+K54y874a65KWA5ryA6Z6l556F56ek5Zm/6Iaw5bOD5o245J+55Lml5T5jPD5jLzwNgoDjvJznhrrkt7Xor5znrr7lrr7llrvkn7zvhrrko6fohrrkt6Dmmb/og7/lurrkua/lsbDljLzvj7DliLnkmb/oqrrntLnlPmM8PmMvPA2CgOO5peWMjuWoruiKtuilneaKtuiavOSCpuanpOWWu+SMvO+ZlOmhsuaXvuW0r+ibkOWZpuWvhuWlu+SAieaCgOOGjuWPu+e1ruaZv+i3teizg+aavOS9g+mWu+SMvO+5peWwiOWBp+ihrOaPr+aOkOWlu+SCgOOCo+i4v+ick+eRhOi5peWXvuWNi+aMjuaAuOSpl+aMvO+TquiHv+iLq+eWu+Senemli+iCgOOxvuinpOW7gOiHpeWvmOaMvO+kreazh+irv+iBg+iYqOWRp+WPsOWquOSAuOSrouiMvO+ZlOmhsuaXvuW0r+i5peU+Yzw+Yy88DYKA47Sg55G957ut5ryx6bGw5Yy877aE54245J2A4oKA45CZ6ZW65a+Y5pm/6Iy876q45KS45JyA4pq875OB6bCj5Y695I2J5oy874W55Ii+5Ya65Ji76Ymy5oaH5ZCP5quO6IKA47Cl6amO5o245Kuv5q+Y5p+c57u75KG/5I245ISa55a75Lmv5bml5T5jPD5jLzwNnYDigoDjnb/kqofotrvkoZ3mqrjkgLjkmZXngabokYjmjLzvg7/lmJTnjbjkn7nkuq/oiK7lvYPol67nsbDloL3kjLzvq7/ogYPopavns6Xlj7Dlj7DlhJrnt6Dmmb/okYjmq6LonIDimrzvmqXmhbjml77li5znuaXljLzvqKrpu73lkq/lsIbliYXlrpvnhJrnhoflkI/mq47oPmM8PmMvPA2BvO+GuuSmneWSiOiWu+Sprui9g+iNuOSdu+efueSMvO+KuOS9u+SNkOihg+ionOWLnOedgOKCgOO0oOeRvee7rea8sem2hOeNuOSMvO+quOSJuOScgOKavO+vg+agueSEmuelneamuOWMleeWuOSquOSAuOSWpOWmj+WOu+SvmOaZv+iMvO+LuOSJuOSGuuSVo+e7vei7veiKuOSMoeaonOWWsOWHjOaEmuepq+Wpq+W9mee9mee5peU+Yzw+Yy88DZ2A4oKA47Ga6KKc6ISa54q45L+657mg5oC45K+Y5qic5bCO56y75JGI5pyA4oy874mF5YSa57eg5oC45LyL54Cd56qX6YyH6byc54y875GT5Zmy5rOf6bCj5YaH5ZCP5quO6J2A4oKA47qw5Zu/6Liv5Ze+5YGm6KuO6Iy875io5ZGn5Y+w5ZyA4p2A4oKA46KR5aiU55+k5aqk5Y245Imn6J+E5p+876q45IC45LGw5ZyA4pq876iK5a6+5YmF5a6b55uQ5Zmm5a+G5T5jPD5jLzwNgoDjhrrkjbjknbvnkovmuaXlk4HppZ/nvYPpm5Dlmablr4bljJLlhoflkI/mq47ojLzvkYPmfiWxr+iEmuenpOWot+W3oOaZv+iMvO+lu+SAieaCgOOhv+Sgl+aMgOiAqOiOuuSRseWNuOSMvO+NveSwnOW9u+SruuisiOiZv+iWu+SwiOWBvO+Qj+a/vuSPmumCseaBpuiavO+6r+i/ieaEmueIuOW9m+W9m+WLmeY+Yzw+Yy88DYKA44a65La75KGd5oiw6Lml5Y645LW06I2Z6Yqw5aG655a75Je+5byA5Y245J+55Iy877q65IS+6YyQ5Y665IK85aek5a2W5oSW5Yuw6Jqk5bml5Z6d6aWL6Ie/6I245J+8746Q5Yu55KiX6YOd5rau5YC45KqT5b2b5Y+k5Ymu5a+Y5pm/6Iy874a65Iu65J6b5ZO95Y245Lq65ICd5r+L5rGw5Yy874Oo5bOl5YSa54Gy5YC45IGN5T5jPD5jLzwNn7zvp5Dlub/orYHnuLDlga/mn5zmsbzlmpnolrvkgJ3ngbbomrzkmq7lgZPpmKjlkaflj7Dlmb/ojLzvtKTlnJTnuoflm4rmjbjklrvknJ7mgqblnYDigoDjhYbltJXng4zoio/lvYPogInmm4rlkYjmqJzljLzvtrvkoZ3mqrjkgLjkkI/mu7vkoL3ksZTnr4/lgoDjorDojYfppbvkmL/ohb/lkYjmjLzvsL7otpfmqrjkgY3ljLrklbPmpIrmkYjmv5vmoL3kjLzvhrrktK/ojYnliIXlkYjmnIDimrzvh4zmn6Ppt7XolqvnkL7ljbjkpYDmjbjkjLzvj4TmgJ3mhJrnqIrljLbmtKTlg7/luaXlhrrksIjlhZflhoflkI/mq47or5jmuK7oPmM8PmMvPA2BvO+KleWjj+Wtgee6uuSAneaWu+SGsOWzg+a9peW5peWMvO+eiuWIueSOgOY+Yzw+Yy88DYKA44GN5bum54245J255H6lv++rheWquOSGuuSRh+W8i+a4m+efnOeGsOWxsOW5v+isqemduOSbm+i5gueAuOSth+Wqj+WMvO+olOe9peWEmueAuOSJreeAuOSvmOanl+advuSQreWRhOiMvO+GuuSitOepiOWNuOSTveSruuiXruexsOWMvO+IuOW9m+WEmue9m+WLmeavmOanhOaNuOSfnOe6uuSZv+g+Yzw=