tonyayp

64seconds
% l8 r7 n6 o9 Z1 P0 T4 J* d7 t( kTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。5.39.217.77:88980 ]" P$ w4 }  @9 N7 F
1 to 4 have 3floors = 48 sec
1 L( V% q% f  q7 \/ W& v. R' davg. 48/3 = 16sec+ _" P  i: I9 X7 ?: g( C4 F

# A$ p6 H2 I5 _$ e( B) I: }5.39.217.77:88984 to 8 have 4floors = 16x4
8 \% H1 f8 s! h= 64secs