64seconds5.39.217.76; W* N8 e4 z, M+ C& O y
公仔箱論壇: M0 m. ^$ L6 m
1 to 4 have 3floors = 48 sec
. y3 X! b1 J+ s1 ]0 R' o$ ?: Eavg. 48/3 = 16sec5.39.217.765 J4 |% u0 E7 U* X m& ]
5.39.217.76. o- H8 c; S7 ]
4 to 8 have 4floors = 16x4
+ U7 w% M8 L3 A( N. _3 Q1 N- Z% L= 64secs |