夜读库

PmMvPJ+874a65LGI54uB5oiw6J+55KC95LSv6KyQ5Zq877u45LeU55+874a65LGI54uB5oiw6KC95LSv6KyQ5Zq876GA5q+U5T5jPD5jLzwNmrzvtK/ona/oiZzmhYDonL3kPmM8PmMvPA2CgOOGheWEoumgl+arr+avmOafnOevj+WEmueeoeWusueXi+eKiuaZv+g+Yzw+Yy88DYKA44a65I2c5j5jPD5jLzwNnYDipoDipoDinIDiPmM8PmMvPA2dgOKCgOOQreWCq+WgveSLnOeqj+WRiOaMvO+LnOeNuOScgOI+Yzw+Yy88DZ2A4p+875eQ5Yuc54uc54Sk5bCI5Y245LGw5Yq45K+36Iy875mA5baX5oSa55q85Ka657uO5aC95KaA4qaA4pyA4j5jPD5jLzwNnYDigoDjipXltK/okYjmn7foobLmoL3kjLzvk4HppZ/njbjknIDiPmM8PmMvPA2dgOKfvO+XkOWTgemln+eNuOSgveSMvO+KleWKkeW/ueWPsOWEmueXuuWRj+WGkOesu+SxkuWEmue0tOiMh+mtm+WhoOanpOV3sbDlnIDiPmM8PmMvPA2dgOKfvO+KkeW/ueWlleWcgOI+Yzw+Yy88DZ2A4n6ikeWZluapieeEmuebvuSQj+aWu+SisOifhOaBpuiYv+iMvO+KkeW/ueWTieadiOWTveWRiOalnea3tei0r+iMvO+KleWMoeicgOI+Yzw+Yy88DZ2A4n6UsOacluW+sua+suaMvO+6tOi6tOiWu+SZu+e/peicuOS5gue/i+appOWOmOacgOI+Yzw+Yy88DZ2A4p+876u/5Yi55Jm/6JyA4j5jPD5jLzwNnYDigoDjs6Xlupfpqrjkhrrkn5Tnv53mgYDohJrnnIbotLTogaPllJrptK/orJDlqaTlirvkkYjmjLzvhJrng7/lgLzluYLntK/ojLzvhrrkua/lnIDiPmM8PmMvPA2dgOKCgOOGuuS3oOaZv+i9g+iqj+WfueScgOI+Yzw+Yy88DZ2A4oKA44a65LmW5rCc5b6J5rCW5o2H6YGm6Ky75JGI5qW75ICJ5pyA4j5jPD5jLzwNgbzvqrjkgLjkuaXloIrlvYPojbjkiLnkgLvkurjkjLzvmqTliLnko4LptoTnopfmPmM8PmMvPA2dgOKBvO+KleWapOWfnOevj+W6uuSxkumJnOaCuOVvjLzvn6fnurrkiZzmvYPpmKvpiLnko4Lpn6fnv4jmnIDimrzvs67liY7lhJrng7/lpLzkjLzvhrrkoa7ovq7oiLnkjoDmvaXls4PmvYPpuaXluZbmsJzlo4LpjLzvl4/lvprpuLjlnp3pgKjou5fpoYDmr5TlPmM8PmMvPA2dgOKCgOOGuuS7juW6h+Wfp+ePu+eyt+WQreW/iOa0r+iWu+SMvO+ZgOW2l+aEmue7s+eUgeicuOS/iOaft+iRiOappOWKu+ScgOKavO+TgemJnOexmuepteabm+eMvO+kg+eng+eDkOWQreWMoeagvOWAuOSAnee0m+W6uuSgh+U+Yzw+Yy88DYKA46+B5oi25oSa57uO5bqH5Z+n56ui6Je65ZGP5YaQ562X6ZKA5a+Y5oy874Sa56u/5bSb5oSa56Wd5rae5oq45K6b57mh6bCW5pSv5oy877aX5o+85bmW5qC85KOu5ZO756C656GA5q+U5aic5bGw5T5jPD5jLzwNgoDjs4Pms4PmvaXlvaXltJfptpfmgabogJzpmL/ooYDmr5TljLzvmKLprpfpqrjkr5jmmb/ojLzvopHlv7nlqI7miLnkjoDmpa/orpvnuaHpsJbmr5jmhr3kPmM8PmMvPA2CgOOmreW9peWGiOWBjeWMvO+0uOali+iln+eCseaMvO+0pOW5gue3uue3uuepieelpeeJkOWNveSUuuQ+Yzw+Yy88DZ2A4p+876y75KWT5aWT5ZeQ5aW75K+P5Yy875Wz5ouJ5qmR5omM5pu65IC45Kat5Y2G5ay75LGS5Y245IGm6JyA4pq877Sv6Jmp5r+756K657CB552T6Lmv5aGA5q+U5Z2A4oy874mt57K55bq65KKu5amu6L2D6K+P5Y245J2757aX5o+w5aq45IqN5Zm/6Iy876iU55y95KWM5pGP5b2D6I2J5raX5o+w5YqN5YW+5a6a57Sk5aic5YGm6ICc6Y+G6JGP5Z+U54y876y75KWT5aWT5ZyA4j5jPD5jLzwNgoDjhrrki7jkvZDouZbmsJzlqrjkiZzmmL/ol77liafojLzvs4Pmhrrks4PmiI/loYDmr5TljLzvjpDllbPmuZbmqJTnv73kjK7lsq7oPmM8PmMvPA2mgOKmgOKdgOKBvO+5puWPsOWMvO+wiOW2lOacgOKdgOKBvO+5puWPsOWMvO+wiOW2lOacgOKavO+jj+WAvOW3iOW3iOWQvemZqea/u+eiuuewgeedk+g+Yzw+Yy88DZ2A4oKA45Wz5rmW5qiU57+95ISa566b57mh6bCW5ou45IC45LKu6Lau5aek5Z+36KWd5oiF5aic5bCO54KA47ae5oq45I+85aOt5rGw5a6b57mh6bCW5oy876iR5YC45KiU55Wv6I2G5ay75LGS5Yy876y75KWT5aWT5ZyA4j5jPD5jLzwNgoDjra7ouZ/lr5jmsbDlgJ3npY7mp7TnPmM8PmMvPA2CgOOlneaLuOSVveWwruiHieenheeGuuSNi+aGu+eUu+SMvO+1huWFg+a/lemflOeEmueRj+W0pOWsu+SWu+SGuuSln+aAo+awnOWosOiluOSGiOWBjeWMvO+Sree1lOeLieaAneeTieaMvO+LuOSQneWquOSojOalk+WooeiMkuWZqea/u+eiuuewgeedk+ipruihgOavlOWOkOW2hOc+Yzw+Yy88DYG874G874G874eM5ouJ5pGH6bGI57ml5YG8746f5YaV5YaI5a+n57GI57ml5YG875+757uz57GI57ml5T5jPD5jLzwNgoDjpZ3mh7/onqPpsbflqofonZzmqKXnnpLpmqTlvaXlsIjli5znm73kv7vkoYDmr5TlPmM8PmMvPA2BvO+GuuSfiuWQiOafnOe2hOefq+edgOKBvO9mcmycgOI+Yzw+Yy88DYKA46WV572/5ZWz5qCX5rq65Kmu6Iy8776Y5o6Y5p6u5a6h55ye5oiV5oy875Sv5rmv5be16IC45Kic5b6U5oSa542J5aiR5YC45IyS5YeJ56eF55u65Jm/6IqK5qGA5q+U5T5jPD5jLzwNnYDigoDjhrrkrq7onYDmr4/ljbjkqqTlnIDijLzvuaXlmbvnkoDpupzmi4nmiormjpDltoTnjLzvh4nnp4XnhJrnrprntKTlhKTloIflvaXlhrrkjYvmqbXmm5vnPmM8PmMvPA2dgOKBvO+LnOeLnOeRiOaBvO+LnOeLnOeRiOaMvO+lk+WooeinheeNi+aRiOaZu+erv+WcgOKavO+TgemHiOWlgOaahOiqj+WkuOSAnee6t+iMvO+yt+WNuOSoiuWAv+ahgOavlOU+Yzw+Yy88DaaA4qaA4p2A4oKA47mm5Y+w5Yy875uv5pK754+w5Zqk5b2l5ZyA4iCdgOKCgOO5puWPsOWMvO+br+aSu+ePsOWapOW9peWcgOKMvO+eruWLuuSAuOSZv+iGuuSkruiuoeequOSojOafueSZqea/u+eiuuewgeedk+g+Yzw+Yy88DYG874a65KCi6YSa55+c54y874yV55a45Kq45Jm/6Iy876i+5be95am15pub5z5jPD5jLzwNn7zvhrrks67liY7lmL/otq7lpq3lkafnlK/mhJrnn5znjLzvuablqKHolrvkPmM8PmMvPA2fvO+Ik+U+Yzw+Yy88DYKA45Sv5rmv5Y6Y5pyy6ZCI5qK95biM6LiM6Juv5oSa56ic5bCO54yS5Yy874On54On54mF5YSa56Kd6YyH6Yy874eJ56eF542J5aiR5YC45ISa54u45I2L5oyH6bqc5ouJ5oCd54uc55ud57yc56m15pub552A4qaA4qaA4oa65L+V6Z+c54+D5b2l5ZyA4j5jPD5jLzwNgoDjhrrkna/ouofljbjktK/osIjlioPmh5zpj7vnsrflh5rni6flpqfnjLzvjYnlvJznqJzlhpHmnq7li7rkqJzlsI7nPmM8PmMvPA2CgOOHmueLp+Wmp+evmOaWu+Shv+S4m+eCpuWNuOSMvO+PhuiRj+WflOe6h+W2qeeUoOe9g+i5peWhv+Q+Yzw+Yy88DZ+875ii6b6a6YyV55a45I2n55m/6LOG5aOn6L2D6JOB6b6a6Yy877q65ISa54Gv6Jq45JWv5q245J2I5Ymc5qqP5aq45IC45Iy877mm5aih6LG35aqH6IyA6D5jPD5jLzwNgoDjj4bokY/ln5TnuofltojllKDnobLmvYPpjLzvtqnnlKDng7/lnL3mtq7lpq3lkafnmqTliLnkmb/oirjkjJXnlrjkmb/ojLzvirjkg7/lqJzlvpTmrpvnuaHpqrjkmb/ouaXliormobLmrJzmuaDmqbXmm5vnPmM8PmMvPA2dgOKfvO+XkOWGuuS/lemXkOWGuuS/lemcgOKMvO+Rj+WWvOedvOeRj+WEmue2oem0pOWKj+Wlu+SMvO+/uueFmemRj+WMkuWSp+iKvuexseWEmue5vuikuOSxt+Wqh+iln+aAo+aZqea/u+eiuuewgeedk+iMkuWlk+WooeiKluWhgOavlOU+Yzw+Yy88DYKA44a65Lml5ZGQ5Yy25oGm6LGS6YSa54qK5qek5YqK5qek5a+Y5oyA6Iy875GP5bSk5b+V6a+Y5o245Kyc5rmg5oSa54ul5bSF5YO/5YWG5bG35aqH6Iy875OB6aWf57ml5Ya95D5jPD5jLzwNgbzvhrrkkY/ltKTlv5Xptq7lgJPljLzvpY/lgLjkipblp6Tlgabos4PmsJzli6XltIXloYDmr5TlPmM8PmMvPA2BvO+Rj+W0pOWEmueBp+iNuOSFueS4ruiGuuSwiOWLnOeMvO+EpOWSp+iKvuexseWEmueDp+eDp+eJheWxt+Wqh+ionOWMvO+NieWQreWclemonOWZq+e3teaYiOW3teipkua5peWMvO+OkOWokeWAuOQ+Yzw+Yy88DYKA46iR5YC45Ia65JWv6Iu15oq45LSk5bG35aqH6IyS5aWT5aih6IGA45mp5r+756K657CB552T6Kic5aa55I6Y5rSv6KeF54mM5ryg5qW45I6Q5Yu55K2P54u45Kmk5Y+v5qGA5q+U5Yy875ye5oiV5oSa54+G6JGP5Z+U54yq6ZWv6Ia65Lq45D5jPD5jLzwNgoDjjIHotoXluI/lhJDljLzvkKTpl6Xll5bntKTlmoHlurrkoq7lurjko7Ton7Toop3pjIfpqJzloYDmr5TljLzvkY/lqonlo7Ton7Tomanmv7vnorrnsIHnnZPojJLlpZPlqKHojLzvrqHnjpjmpbflhojll7rlkY/lhpDnqJzlsI7nPmM8PmMvPA2CgOObuuSAuOSGuuSsvei9peWhrOaNhuW2hOecnuaRouejj+WEmueXuuWRj+WGkOeol+m/peiMvO+OkOWnuueHjeWRouejj+W2u+SLuuSbieeEu+mnu+c+Yzw+Yy88DYKA44u65ISa552i6Y2Q5aa654Si6Ya65KCK5Z6i5Ze65ZGP5YaQ56iX6b+l6Ia65JOB6aWf572D6Z+55IuP5ZG954yS5Z+U56at5aek5XeMvO+QreWWuOWEmueVjeWSmeaBgOO3j+WSmeaapOW4ruiGuuSapOWwj+WzueWEkOWMkuWZouW9meeooeiMvO+ppOWMuuSsrOc+Yzw+Yy88DYKA47qp54yA6KKK5oC45LSX6aye552i6Y2Q5aq45DU4jLzvmpnmk73ljLzvm4blp6Tlt4/loormhrrkpYXloIrljLzvl7/ll5bmg4fnjYfpiI/ln5Tnpq3lhJrnnaLpjZDloormg7zlvpTmj7vnsrflhojlqIPpgLjkPmM8PmMvPA2CgOOGiOWHuOScluWKg+aBgOOKj+WNuOSLieaqjua9g+m2ruWnpOWpruicveSNk+aquOSZv+g+Yzw+Yy88DYKA45Ck6Zel5ZGP5aqJ5ZGA45iP5Y245IO/5Z2I5ZCA44Sa5zguOKq45DWgiuWNhuWMvO+quOQwOIa65LCI5aCK5Z6i5TUzjrvknaLpjZDlprrnhKLphJrnqaTlj6/mhrDloYDmr5TljLzvt7vkhK/orL3orYnmgYDjkLrmoq7loormibrkhrrkurjkPmM8PmMvPA2CgOOfhOa6nOaxjeWGuuSJnOavmOaYv+i5peWGveQ+Yzw+Yy88DYKA44GE5qiU54245LaX5oKa5rq65KKu5YSa54yH6Ze65Yy874u45IGM5qCK5aa65a2D56ic5baE572Z6Iy877yW57Sk5bCI5Z+E5oGm54245KGA5q+U5T5jPD5jLzwNgoDjlb3kgqbloYrljZzmhJrnirrltKTll7TmqZHmiYzmla/ola/ojLzvnLLpnbDlu47ls4Pmt7rnt7rnkK3lpq3lp6Tldz5jPD5jLzwNgoDju47lsbDlu47ls4PmjLzvprrnhKLpqJTnjbjkmL/oPmM8PmMvPA2CgOOgg+aYvOSauOSAvOWGuuS6h+WojuaIj+WMvO+OkOWDheU4LjQyurjkuZTmvKDmt7vkjLzvhaTmqZHmiYzmurjkp7rnh43lirrltKTll7TmhrDll7rlkY/lhpDnn6Ppq4XlPmM8PmMvPA0tPmM8PmMvPA2CgOO+r+iskOWtu+enu+ejreajrea/nea/neaBgOO4g+i6jOaWpumCmOaMvO+Sp+iHlOWEmueLuOSNuOSLjuWPveS1iuazi+ahj+aLieaAuOS7uOS3lOc+Yzw+Yy88DYKA476v6LKu6K2756e754y877Sw5oa65Iyu5Z2W5Yi45YGA6D5jPD5jLzwNgbzvhrrkl67nipDlirjkoZ3mop3puaDmvonmuaXlqa7ojLzvs4PmhJrnpITmpITmoYDmr5TlPmM8PmMvPA2BvO+ikeW5luanpOWRrOe7tOi9g+iYv+iIueSOgOaMvO+GuuSXruexsOWfueSnuuWbm+WzieiKg+aNuOSMvO+7uOSzpeW7l+mvu+e6uOSruug+Yzw+Yy88DZ2A4oG874qV5biE6KK45L2l5Yy874im5YSa55GI5oy874a65IGn6Iuc572D6a+Y5o245IKy5bau5aek5aWd5pu/6JqI5ZqI5ZGI5qOC6ZyA4pq876m25p6+57mC54C45Le16IeN5Ymn6I6Q5aWf546Q5Y665Ii756mt5bOl5T5jPD5jLzwNgoDjiZznkYzmhrrkkYzmu7jkt5TnPmM8PmMvPA2dgOKCgOObiuW7mOmVveS7u+SJnOahsuaMvO+EmuecuuacuuaRu+aZgOW2l+aEmuevt+iwteiXvuWJp+i7gOappOWKu+SqgOa+mumcgOKavO+2oemMgeeQhumNhumMvO+Louijj+WquOSkuOSjgum3teiqj+ahgOavlOWdgOKBvO+gnemRiOacgOI+Yzw+Yy88DYKA44ui6IO45aek5aq45KS45Ia65Jqk5Yq45L+F6Kek5Yy874G15q695pak5byg5qmk5Yq75KSj6K2f54Sa57ml5T5jPD5jLzwNgoDjkK3lpKPohJrnsbflqofokZDli5zntKTljr3kk7znk7znjLzvi7jkj4TmuqTnhJrnnqXnvJznu7jkt5TnqJzloYDmr5TlPmM8PmMvPA2fvO8+Yzw+Yy88DZ2A4oKA44a65I2P5b+p542c5qOh6KC95JyA4pq875OB6bCj5Y695K245ImF5a6b54Sa54W+5Z+c5qmt5bOl5aic5Yy877Sk5Yu45I695Lml5YCd56at5Z+55Ji55K+36J2A4oy877q45KCb5a+Y5r2D6K+P5ZyA4j5jPD5jLzwNnYDipoDipoDirLvkkYjmi5znqJzlvYPpj4PlvaXlqaTlirvktq7lp6TlnIDimrzvlrvkoo7mla/os4jms4jml5rmjLzvg7zlvpTmobLmp5fmnb7koYDmr5TlPmM8PmMvPA2CgOO5peWZu+eYv+i3jeWVr+iGsOWMvO+Nr+iulOmzheWquOSGuuSInOWKuOSum+eYoumonOW7uOS3lOc+Yzw+Yy88DZ2A4p+875qB5Yi55I6A5qq45Jm/6JyA4oy877u45LeU57OI5oa65LOI5oy877qp56q45Jm/6I+95JOK5qyp6Yur56GA5q+U5Yy877Sw5p2W5aic5aOt5oi45YGA6Iy877mW5o2J5aSu5ZmV5ouc54a65Iuc57Sk5ayK5rml5T5jPD5jLzwNgoDjpZ3muofljbjkl67nvYPpl67niLnkjoDmjLzvmKLpvprpk4HpgLjkhrrksIjlh4HpgJ3nuZTmgJ3nuZTmjLzvmZTpuZTmk4HpgLjkk4HpgLjkuYLnhq/opZ/nhJrnirjkrJzmvq/osIjlvonmjLzvj7rluqHphJrnmKLpmZTpp4XniYzmoYDmr5TlPmM8PmMvPA2BvO+KuOSsqemBgOO7iOWLq+eMvO+JreaTgem5peWZu+c+Yzw+Yy88DYG874G874G874qV5YSa55Ct5beg5q+J5Zm/6K+Y5q245IuB5q2D57q65L2l5bau5YGw6D5jPD5jLzwNn7zvvaXlqqTljbjkr5jmjbjkr5jmnqXnvJznn7zvtK/oiLnkmb/oiLnkgLvkrYfllrvkgbzvrbjki4HmrYPnqJzlo63muaXljJLlmLnkr7fotK/otoTnn6vnPmM8PmMvPA2BvO+GuuSvluevmOafnOefueSMvO+6uuSquOSjgumEmue/qOeViuaZouW9meeooeionOWJnOaYv+g+Yzw+Yy88DYG877yT5T5jPD5jLzwNgbzvhrrkiafou7nln5Tnp7rkjLzvmpnmqqTlnKTlrIbnqaTlqJjmr5jmmq7lr4LouaXlPmM8PmMvPA2fvO+XkOWirOacluWvmOaIueSAu+STgemln+ermOeinemquOSZv+iMvO+1keWMvO+xt+Wqh+iirOacluW5gueAuOSJnOafueS7uOS3lOeXvuWJp+iavOS2hOefq+eaiOWaiOW5peU+Yzw+Yy88DYKA47aT57my5rGF6YKM5r2D6ISa55iZ5bSY5Yy874q45JCt5Yyh5qic5b6U5p2A4rCg57Cg55yA4oy876yc5r6v6IyS5bi657+o54mN6LqH5b+L5rCc5byR5byR5ZSw5oy874Gn6I245LGk5Yi25rSX6aye57mu5ZGs54Sa54q45LiE6Kmt5bOl5Z2A4qaA4qaA4pyA4j5jPD5jLzwNnYDigoDjmZTpuZTmnIDimrzvr5Dlu73oh5TlhJbomLnkr7foPmM8PmMvPA2dgOKfvO+KleWcgOKavO+Wu+SRkOWLnOeptuaevueAneeRrOeMvO+0pOWsveiRg+aRluehgOavlOU+Yzw+Yy88DYKA45Ct5Yyh5ou45KS45Ia65LKV5ru96Lu96Iy8742J5Yyh5r6v6Lml5bCI5bi85IuJ5oSa57+V6a6/5KqP5YC45Iy877aX5riE6LG35aqH6I+95IKN5rCc5Z6+57Ou5bml5aic5bGw5T5jPD5jLzwNgoDjmYnnl6Lpq4XluoflspzphJrnkaznjLzvhrrkg7/lgLzlhJPls4PmhofohJrnsbflqofoq6LooYDmr5TljLzvu5jlu5jln7zviLnkgLvkgJ3ns5Hlj4Tmmb/ojLzvr5Llu5fpr7vniZzmsbflqofojJLlj4Tmi7vkjbjkr5jmsbDllrvko4LpPmM8PmMvPA2mgOKmgOKTgemln+eWu+ScnuaCpuU+Yzw+Yy88DYKA47+F6Kek5YSa556l56at5bGK5q2756e754y875OB6aWf54245IWj6J+55Lml5aOC6Yy875OB6aWf54245Ja75Jye5oKm5T5jPD5jLzwNn7zvi7rkhJrnmaLlvZnnqKHok4HppZ/njbjkpZ/nlbrlsIjlurrkmb/ogoDjlZLlgJjlrbjkg7/ljLzvhofljbjkj43mv4vmoYDmr5TlPmM8PmMvPA2CgOO3oOaCvOWduOSAuOSBp+iNuOSMvO+2hOemneW4hOiAuOSMvO++r+iAneeskOWfnOekruijreaujuWjgumMvO+7uOS3lOeEmueBl+aruuiRkOWLnOehgOavlOU+Yzw+Yy88DYKA47uO5Z6b5Ya65LaU5r2D6b+654an6ISa57au5aek5Yy8776v6LKu6Iun5YC85Yi45YGA6Iy877SX6baX5r6v6Iq45D5jPD5jLzwNgbzvjI7lqK7ovYPpgbzvjI7lqK7on5znPmM8PmMvPA2BvO+/pei/mOk+Yzw+Yy88DYG875GW54GA46CX5oGA47ut5oGA44W/5Yy874OA6KqH6Lq65JCI5qGs5pm/6Iy877ml5Ymv6IqR5Yy875uK5aqK5YSa56Wd5qW75LSb54C45Lml5ZGs57KY5aic5Zu95L+75LCV5oaI5aq45Jm/6D5jPD5jLzwNgoDjmYnnqKPnhrrkqKPnjLzvhojlNDSEmueinemKuOSAneeLnOeMvO+3jeWVr+ilneaHv+i4keawnOWTvOmTvOmUsOa5peU+Yzw+Yy88DYKA44qV5aaD572l5aC95J2A4qaA4qaA4pyA4j5jPD5jLzwNnYDigoDjhJrnh4HlnIDiPmM8PmMvPA2dgOKfvO+ikeWvgeaItuaPneWjgumcgOI+Yzw+Yy88DZ2A4oG874G874G874Sa55+c55yA4j5jPD5jLzwNnYDigoDjhrrkvKDmio/lnIDiPmM8PmMvPA2dgOKCgOOnkOWvgeaItua9peWcgOKavO+JgOmxueS/vuSPmumMvO+ZiOWfjuWDvOW+lOatuOSGp+ios+aQreW4nOeEmueFg+axt+a9g+mXi+eLnOeMj+WjgumonOWMvO+Mq+W/gemWu+SMkuWzg+asnOa5peWMvO+GuuS1h+ahgOavlOWdgOKfvO+KleWcgOI+Yzw=