64seconds5.39.217.77:88988 u" ?/ _) c G$ E) a9 S, y& l
: B9 L8 O5 {( |0 N, k/ c- a b1 to 4 have 3floors = 48 sectvb now,tvbnow,bttvb5 K3 Y8 m' z7 x4 U
avg. 48/3 = 16sec
% I2 y$ i) |3 N4 {- P7 ?0 F. y
6 j9 {1 e8 \7 i" ~1 R6 v. u5.39.217.77:88984 to 8 have 4floors = 16x4
3 g. {/ s! Z' f m8 t= 64secs |