distance

$B!!(B

$B8@$$Lu$N$+$9$_Ap(B

$BB+$M$k7/$N;X$r$5$($.$C$F(B

$B:9$7$+$1$?;1$KHy>P$`$N$K(B

$BE`$($k$[$I$KNd$?$$1+$O(B

$B$3$s$J$K$b7/$rJz$-$7$a$F$$$?(B

$B5(@a$N=*$o$j$r9p$2$k1+$K(B

$B7/$OCH$+$5$9$i3P$($k$N$+(B

$B$=$NH1$K!!$=$N8*$K(B

$B1+$NFw$$$r;D$7$F(B

$BJb$-=P$97/$NGXCf$r8+$D$a$k$3$H$@$1$,(B

$BKM$K5v$5$l$?!!5wN%(B