genzo2106

solution:tvb now,tvbnow,bttvb+ G; r8 O/ X/ K* h" `# a- ?, q! `, e$ J

4 _: P( V/ u* r( N( s7 b1 D& S( utvb now,tvbnow,bttvb1st and 2nd lady go over: 2 mins taken
) R; @( }+ R9 }# @/ N, A9 M# n; \1st lady walk back: 1 mins taken
2 S; q" X# H9 @+ g5.39.217.77:88983rd and 4th lady go over: 10 mins taken公仔箱論壇4 J1 x- i* K$ E, U* e0 u+ O
2nd lady walk back: 2 mins taken
/ ^; u0 h9 `+ |; `* V( c+ ]3 M1st and 2nd lady walk back: 2 mins taken
( U- `% e2 [! x4 u' j6 v- |' Ztvb now,tvbnow,bttvbtvb now,tvbnow,bttvb' _1 v2 j/ d: S- u
In total : 17 mins taken!!! Solved!!