n_nf虁跾s愘nb g蔔錯剉 nr
0 0 s愘n 緰s?w g)ys恘忁vt
0 0s悋v餘)y g o_n鍂s恉k ukn飴騗輣 郪dk(w u}t剉 gt鰁r _薡轛枡菑 _0
0 0骮w峉愘n 諲w-na2楘q鄀=
ybg n7u篘 卂諲俌 俌6r 俌dq 颯 g葉ts蚐顅b荖 諲裇≧跾豐 s惈[nkn睳kbl?n s_t諲
n gjsr擿h` 俌蔔ts a0r鄀=瞏蒕 駇駇soo0r哊s愘ns_t剉
nun鄀hy0
0 0 蔔諲陙馷_n=?r俌dk僗0w
n梍
n魦f n蛓珒'y剉綃:r0
0 0 i`r_i` (`r_(` 蔔錯 nr哊觺0