solution:
. K: K! w$ F, @ g公仔箱論壇/ M1 v1 v- N- [" d
1st and 2nd lady go over: 2 mins takentvb now,tvbnow,bttvb+ O, E) q* r: E4 \/ ]' P
1st lady walk back: 1 mins taken
9 W B7 @0 s* q8 S8 Twww3.tvboxnow.com3rd and 4th lady go over: 10 mins taken+ K9 U* t% G3 B; P
2nd lady walk back: 2 mins taken公仔箱論壇$ Z6 v; k7 m$ X/ ~& F: f9 v
1st and 2nd lady walk back: 2 mins taken
- v+ ?" L7 ]0 j! Y9 Y: p7 htvb now,tvbnow,bttvb
% L9 _0 X/ f4 n! _! R; j5 s8 lIn total : 17 mins taken!!! Solved!! |