64seconds8 Y2 u7 n( t+ T# e
/ W% Q6 `5 c2 Z: r! {0 Z+ O
1 to 4 have 3floors = 48 sec公仔箱論壇* Q1 V9 h9 F9 M0 C
avg. 48/3 = 16sec
I: K2 r$ h; U+ X# h* S% t* Ptvb now,tvbnow,bttvbwww2.tvboxnow.com. h) J; }0 h! F4 \& D1 L
4 to 8 have 4floors = 16x4
h4 G9 f6 X: \ @; z9 P= 64secs |