64seconds. p4 G, ?. V# m5 j
www1.tvboxnow.com7 B- F4 R5 R/ H$ M' ?* h% h/ i/ q- v6 W
1 to 4 have 3floors = 48 sec+ h; ^) l: |2 `! R& m! g
avg. 48/3 = 16sec
' f+ j; O% u5 k3 r; m; r L$ G$ P% J/ U% ~$ W( I" K( |3 k
4 to 8 have 4floors = 16x4tvb now,tvbnow,bttvb i; n" Z! @& G/ l. l$ ^
= 64secs |