solution:tvb now,tvbnow,bttvb+ V; c8 K8 ^9 x* k3 E* d, C
$ }9 h+ D2 [ }3 n公仔箱論壇1st and 2nd lady go over: 2 mins takentvb now,tvbnow,bttvb3 K8 j5 W0 ?% k3 `. E6 ~4 m6 Q+ c+ ]3 _
1st lady walk back: 1 mins taken
/ N$ g, Q% @ I; t3rd and 4th lady go over: 10 mins taken
$ v7 z7 g$ k5 P1 _# C8 v" o! g0 Z2nd lady walk back: 2 mins taken
- z8 |& A( Q0 V: U9 H! C5.39.217.761st and 2nd lady walk back: 2 mins taken
: j( O) K; w; N0 [! {8 A) a& T公仔箱論壇
- j+ P) L1 J2 t) a0 {) `tvb now,tvbnow,bttvbIn total : 17 mins taken!!! Solved!! |