64seconds7 P1 ]* x# C3 ^0 Z1 N" \
公仔箱論壇$ o3 h9 w' O6 E& B
1 to 4 have 3floors = 48 sec
& t& |' m7 ?+ }+ w# x( m1 \公仔箱論壇avg. 48/3 = 16sec+ q! G. n- Z! i& u4 n9 A4 h! j
5.39.217.77! F4 K ~8 `& s
4 to 8 have 4floors = 16x4
& p3 ~& W, J0 z- A2 q* _tvb now,tvbnow,bttvb= 64secs |